chore: update Makefile for debug configuration

- Remove inclusion of debug-helpers/debug.h from default CFLAGS.
- Add inclusion of debug-helpers/debug.h to CFLAGS only when DEBUG=1.
- Ensure CFLAGS includes -g for debugging when DEBUG=1.

Makefile

@@ -158,8 +158,6 @@ DEFINES   += HAVE_BOLOS_APP_STACK_CANARY
 
 DEFINES   += IO_SEPROXYHAL_BUFFER_SIZE_B=300
 
-# debugging helper functions and macros
-CFLAGS    += -include debug-helpers/debug.h
 
 # DEFINES   += HAVE_PRINT_STACK_POINTER
 
@@ -170,7 +168,8 @@ ifeq ($(DEBUG),10)
 endif
 
 ifeq ($(DEBUG),1)
-    CFLAGS    += -g
+    # debugging helper functions and macros
+    CFLAGS    += -include debug-helpers/debug.h -g
 endif
 # Needed to be able to include the definition of G_cx
 INCLUDES_PATH += $(BOLOS_SDK)/lib_cxng/src