build: Fix wrong variable used on 'which' invocation in decompressor Makefile
diff --git a/decompressor/Makefile b/decompressor/Makefile
index 5de15065..5890d050 100644
--- a/decompressor/Makefile
+++ b/decompressor/Makefile
@@ -12,7 +12,7 @@ TOOLCHAIN_OBJCOPY = $(TOOLCHAIN)-objcopy
ifeq ($(shell which $(TOOLCHAIN_CC)), )
TOOLCHAIN_CC := gcc
endif
-ifeq ($(shell which $(OBJCOPY)), )
+ifeq ($(shell which $(TOOLCHAIN_OBJCOPY)), )
TOOLCHAIN_OBJCOPY := objcopy
endif
