cmake: xcc: do not use -fno-printf-return-value

XCC does not recognize -fno-printf-return-value as compiler
flag. So skip it.

Signed-off-by: Daniel Leung <[email protected]>

Author: dcpleung

cmake/compiler/xcc/compiler_flags.cmake

@@ -15,3 +15,6 @@ set_compiler_property(PROPERTY no_position_independent "")
 
 # Remove after testing that -Wshadow works
 set_compiler_property(PROPERTY warning_shadow_variables)
+
+# xcc does not recognize -fno-printf-return-value
+set_compiler_property(PROPERTY no_printf_return_value)