disable ld gc for buildall

mk/build.mk

@@ -48,6 +48,7 @@ DEFCONFIG=		ADK_DEBUG=n \
 			ADK_TARGET_USE_GNU_HASHSTYLE=n \
 			ADK_TARGET_USE_PIE=n \
 			ADK_TARGET_USE_STATIC_LIBS=n \
+			ADK_TARGET_USE_LD_GC=n \
 			ADK_LINUX_ARM_WITH_THUMB=n \
 			BUSYBOX_IFPLUGD=n \
 			BUSYBOX_EXTRA_COMPAT=n \