cmake: test format options together

Fixes: #47588

Use `check_set_compiler_property(... "SHELL:-Wformat -W<format-option>")`
to ensure that compiler options requiring `-Wformat` to work properly
are tested with said option.

Signed-off-by: Torsten Rasmussen <[email protected]>

Author: tejlmand

cmake/compiler/gcc/compiler_flags.cmake

@@ -28,9 +28,8 @@ set_compiler_property(PROPERTY optimization_size  -Os)
 # GCC Option standard warning base in Zephyr
 check_set_compiler_property(PROPERTY warning_base
     -Wall
-    -Wformat
-    -Wformat-security
-    -Wno-format-zero-length
+    "SHELL:-Wformat -Wformat-security"
+    "SHELL:-Wformat -Wno-format-zero-length"
     -Wno-main
 )