Add modern AVR mcus like avr128db28 and attiny3224

Author: tomtor

compiler/rustc_target/src/spec/base/avr.rs

@@ -322,6 +322,9 @@ pub fn ef_avr_arch(target_cpu: &str) -> u32 {
         "attiny1624" => elf::EF_AVR_ARCH_XMEGA3,
         "attiny1626" => elf::EF_AVR_ARCH_XMEGA3,
         "attiny1627" => elf::EF_AVR_ARCH_XMEGA3,
+        "attiny3224" => elf::EF_AVR_ARCH_XMEGA3,
+        "attiny3226" => elf::EF_AVR_ARCH_XMEGA3,
+        "attiny3227" => elf::EF_AVR_ARCH_XMEGA3,
         "atmega808" => elf::EF_AVR_ARCH_XMEGA3,
         "atmega809" => elf::EF_AVR_ARCH_XMEGA3,
         "atmega1608" => elf::EF_AVR_ARCH_XMEGA3,
@@ -331,6 +334,49 @@ pub fn ef_avr_arch(target_cpu: &str) -> u32 {
         "atmega4808" => elf::EF_AVR_ARCH_XMEGA3,
         "atmega4809" => elf::EF_AVR_ARCH_XMEGA3,
 
+        "avr16dd20" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16dd28" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16dd32" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16du14" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16du20" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16du28" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16du32" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32da28" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32da32" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32da48" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32db28" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32db32" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32db48" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32dd14" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32dd20" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32dd28" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32dd32" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32du14" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32du20" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32du28" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32du32" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16eb14" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16eb20" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16eb28" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16eb32" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16ea28" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16ea32" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr16ea48" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32ea28" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32ea32" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32ea48" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32sd20" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32sd28" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr32sd32" => elf::EF_AVR_ARCH_XMEGA3,
+        "avr128da28" => elf::EF_AVR_ARCH_XMEGA4,
+        "avr128da32" => elf::EF_AVR_ARCH_XMEGA4,
+        "avr128da48" => elf::EF_AVR_ARCH_XMEGA4,
+        "avr128da64" => elf::EF_AVR_ARCH_XMEGA4,
+        "avr128db28" => elf::EF_AVR_ARCH_XMEGA4,
+        "avr128db32" => elf::EF_AVR_ARCH_XMEGA4,
+        "avr128db48" => elf::EF_AVR_ARCH_XMEGA4,
+        "avr128db64" => elf::EF_AVR_ARCH_XMEGA4,
+
         // Unknown target CPU => Unspecified/generic code
         _ => 0,
     }