scripts: stm32wrapper: add pragma to ignore unused warnings in HAL

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

CI/utils/templates/stm32yyxx_zz_ppp.c

@@ -1,9 +1,7 @@
-{% if type == "ll" %}
-/* LL raised several warnings, ignore them */
+/* {{type.upper()}} raised several warnings, ignore them */
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wunused-parameter"
 
-{% endif %}
 {% for serie in serieslist %}
   {% if loop.first %}
 #ifdef STM32{{serie.upper()}}xx
@@ -19,7 +17,5 @@
 #endif
   {% endif %}
 {% endfor %}
-{% if type == "ll" %}
 #pragma GCC diagnostic pop
-{% endif %}