kbuild: do not add $(call ...) to invoke cc-version or cc-fullversion

The macros cc-version, cc-fullversion and ld-version take no argument.
It is not necessary to add $(call ...) to invoke them.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Helge Deller <deller@gmx.de> [parisc]
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
index a311db8..7b3487a 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -524,7 +524,7 @@
 	Example:
 		#arch/x86/Makefile
 		cflags-y += $(shell \
-		if [ $(call cc-version) -ge 0300 ] ; then \
+		if [ $(cc-version) -ge 0300 ] ; then \
 			echo "-mregparm=3"; fi ;)
 
 	In the above example, -mregparm=3 is only used for gcc version greater
@@ -552,7 +552,7 @@
 
 	Example:
 		#arch/powerpc/Makefile
-		$(Q)if test "$(call cc-fullversion)" = "040200" ; then \
+		$(Q)if test "$(cc-fullversion)" = "040200" ; then \
 			echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \
 			false ; \
 		fi