uClibc: build with debug symbols by default (without changing other compile related flags)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37525

toolchain/uClibc/common.mk

@@ -51,7 +51,7 @@ CPU_CFLAGS = \
 	-funsigned-char -fno-builtin -fno-asm \
 	--std=gnu99 -ffunction-sections -fdata-sections \
 	-Wno-unused-but-set-variable \
-	$(TARGET_CFLAGS)
+	$(TARGET_CFLAGS) -ggdb
 
 UCLIBC_MAKE = PATH='$(TOOLCHAIN_DIR)/initial/bin:$(TARGET_PATH)' $(MAKE) $(HOST_JOBS) -C $(HOST_BUILD_DIR) \
 	$(TARGET_CONFIGURE_OPTS) \