[stm32] Add support for STM32L562E-DK board

- Included new board configuration in README.md
- Updated boards.txt with STM32L562E-DK details
- Added variant files for STM32L562E-DK
- Modified generic_clock.c for compatibility with STM32L562E-DK

Author: haydenth

README.md

@@ -192,6 +192,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :green_heart:  | STM32H573IIKxQ | [STM32H573I-DK](https://www.st.com/en/evaluation-tools/stm32h573i-dk.html) | *2.6.0* |  |
 | :green_heart:  | STM32H747XIHx | [STM32H747I-DISCO](https://www.st.com/en/evaluation-tools/stm32h747i-disco.html) | *2.7.0* |  |
 | :green_heart:  | STM32L4S5VI | [B-L4S5I-IOT01A](https://www.st.com/en/evaluation-tools/b-l4s5i-iot01a.html) | *2.0.0* | |
+| :yellow_heart:  | STM32L562QEIxQ | [STM32L562E-DK](https://www.st.com/en/evaluation-tools/stm32l562e-dk.html) | *2.0.0* | |
 | :green_heart: | STM32U585AIIxQ | [B-U585I-IOT02A](https://www.st.com/en/evaluation-tools/b-u585i-iot02a.html) | *2.1.0* |  |
 | :green_heart: | STM32WB5MMG | [STM32WB5MM-DK](https://www.st.com/en/evaluation-tools/stm32wb5mm-dk.html) | *2.1.0* |  |
 
@@ -744,6 +745,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :----: | :-------: | ---- | :-----: | :---- |
 | :green_heart:  | STM32L552ZC-Q<br>STM32L552ZE-Q | Generic Board | *2.0.0* |  |
 | :green_heart:  | STM32L562ZE-Q | Generic Board | *2.0.0* |  |
+| :yellow_heart:  | STM32L562QEIxQ | Generic Board | *2.0.0* |  |
 
 ### Generic STM32U0 boards
 

boards.txt

@@ -1231,6 +1231,22 @@ Disco.menu.pnum.B_L4S5I_IOT01A.build.peripheral_pins=-DCUSTOM_PERIPHERAL_PINS
 Disco.menu.pnum.B_L4S5I_IOT01A.openocd.target=stm32l4x
 Disco.menu.pnum.B_L4S5I_IOT01A.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32L4xx/STM32L4S5.svd
 
+# STM32L562E-DK
+Disco.menu.pnum.STM32L562E_DK=STM32L562E-DK
+Disco.menu.pnum.STM32L562E_DK.node="DIS_L4IOT,DIS_L4S5VI"
+Disco.menu.pnum.STM32L562E_DK.upload.maximum_size=524288
+Disco.menu.pnum.STM32L562E_DK.upload.maximum_data_size=196608
+Disco.menu.pnum.STM32L562E_DK.build.mcu=cortex-m33
+Disco.menu.pnum.STM32L562E_DK.build.fpu=-mfpu=fpv4-sp-d16
+Disco.menu.pnum.STM32L562E_DK.build.float-abi=-mfloat-abi=hard
+Disco.menu.pnum.STM32L562E_DK.build.board=STM32L562E_DK
+Disco.menu.pnum.STM32L562E_DK.build.series=STM32L5xx
+Disco.menu.pnum.STM32L562E_DK.build.product_line=STM32L562xx
+Disco.menu.pnum.STM32L562E_DK.build.variant=STM32L5xx/L552Q(C-E)IxQ_L562QEIxQ
+Disco.menu.pnum.STM32L562E_DK.build.peripheral_pins=-DCUSTOM_PERIPHERAL_PINS
+Disco.menu.pnum.STM32L562E_DK.openocd.target=stm32l5x
+Disco.menu.pnum.STM32L562E_DK.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32L5xx/STM32L562.svd
+
 # B_U585I_IOT02A board
 Disco.menu.pnum.B_U585I_IOT02A=B-U585I-IOT02A
 Disco.menu.pnum.B_U585I_IOT02A.node="NOD_U585AI,DIS_U585AI"
@@ -12253,6 +12269,15 @@ GenL5.menu.pnum.GENERIC_L562ZETXQ.build.product_line=STM32L562xx
 GenL5.menu.pnum.GENERIC_L562ZETXQ.build.variant=STM32L5xx/L552Z(C-E)TxQ_L562ZETxQ
 GenL5.menu.pnum.GENERIC_L562ZETXQ.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32L5xx/STM32L562.svd
 
+# Generic L562QEIxQ
+GenL5.menu.pnum.GENERIC_L562QEIXQ=Generic L562QEIxQ
+GenL5.menu.pnum.GENERIC_L562QEIXQ.upload.maximum_size=524288
+GenL5.menu.pnum.GENERIC_L562QEIXQ.upload.maximum_data_size=196608
+GenL5.menu.pnum.GENERIC_L562QEIXQ.build.board=GENERIC_L562QEIXQ
+GenL5.menu.pnum.GENERIC_L562QEIXQ.build.product_line=STM32L562xx
+GenL5.menu.pnum.GENERIC_L562QEIXQ.build.variant=STM32L5xx/L552Q(C-E)IxQ_L562QEIxQ
+GenL5.menu.pnum.GENERIC_L562QEIXQ.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32L5xx/STM32L562.svd
+
 # Upload menu
 GenL5.menu.upload_method.swdMethod=STM32CubeProgrammer (SWD)
 GenL5.menu.upload_method.swdMethod.upload.protocol=swd