platform: acp_7_x: add a comment to test push is working or not

Signed-off-by: DineshKumar Kalva <DineshKumar.Kalva@amd.com>

Author: DINESHKUMARK1

src/platform/amd/acp_7_x/platform.c

@@ -40,6 +40,7 @@
 
 LOG_MODULE_REGISTER(platform_file, CONFIG_SOF_LOG_LEVEL);
 /* add platform specific header files here */
+/* missing macros are listed */
 
 #define INTERRUPT_DISABLE 0
 extern void acp_dsp_to_host_intr_trig(void);