Revert "ColdFire: Get information from the correct GCC"

This reverts commit b7166e05a513c0806b63b9dfb6f1d77645cede2a
(replaced by commit c4e5f52a58d278eebb87f476e353972c5dacea40).
diff --git a/cpu/mcf52x2/config.mk b/cpu/mcf52x2/config.mk
index be360f8..650e340 100644
--- a/cpu/mcf52x2/config.mk
+++ b/cpu/mcf52x2/config.mk
@@ -34,7 +34,7 @@
 is5282:=$(shell grep CONFIG_M5282 $(TOPDIR)/include/$(cfg))
 
 
-ifeq ($(findstring 4.2,$(shell $(CROSS_COMPILE)gcc --version)),4.2)
+ifeq ($(findstring 4.2,$(shell $(CC) --version)),4.2)
 
 ifneq (,$(findstring CONFIG_M5249,$(is5249)))
 PLATFORM_CPPFLAGS += -mcpu=5249