[klibc] Fix the ARM Makefile.inc to match the new variable naming standard

Somehow, the ARM Makefile.inc escaped the jihad on ARCH* variables in
favour of KLIBCARCH*.  Fix this.

Bug reported by Maximilian Attems, since I currently lack an ARM system :(

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/klibc/arch/arm/Makefile.inc b/klibc/arch/arm/Makefile.inc
index 0603d85..fdca66f 100644
--- a/klibc/arch/arm/Makefile.inc
+++ b/klibc/arch/arm/Makefile.inc
@@ -7,7 +7,7 @@
 # accordingly.
 #
 
-ARCHOBJS = \
+KLIBCARCHOBJS = \
 	libgcc/__divsi3.o \
 	libgcc/__modsi3.o \
 	libgcc/__udivsi3.o \
@@ -21,10 +21,10 @@
 	arch/arm/syscall.o
 
 ifeq ($(THUMB),y)
-ARCHOBJS += arch/arm/setjmp-thumb.o
-LIBGCC   =
+KLIBCARCHOBJS += arch/arm/setjmp-thumb.o
+KLIBCLIBGCC   :=
 else
-ARCHOBJS += arch/arm/setjmp-arm.o
+KLIBCARCHOBJS += arch/arm/setjmp-arm.o
 endif
 
 arch/arm/sysstubs.a: arch/arm/sysstubs.pl
@@ -35,9 +35,6 @@
 	$(AR) cq $@ arch/arm/sysstubs/*.o
 	$(RANLIB) $@
 
-
-ARCHSOOBJS = $(patsubst %.o,%.lo,$(ARCHOBJS))
-
 archclean:
 	-rm -rf arch/arm/sysstubs
 	-rm -f arch/arm/sysstubs.a