sh: Migrate necessary libgcc bits in to arch/sh/lib for SUPERH32.

This moves in the necessary libgcc bits for SUPERH32 and drops the
libgcc linking for the regular targets. This in turn allows us to rip
out quite a few hacks both in sh_ksyms_32 and arch/sh/Makefile.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/lib/Makefile

@@ -5,6 +5,18 @@
 lib-y  = delay.o memset.o memmove.o memchr.o \
 	 checksum.o strlen.o div64.o div64-generic.o
 
+# Extracted from libgcc
+lib-y += movmem.o ashldi3.o ashrdi3.o lshrdi3.o \
+	 ashlsi3.o ashrsi3.o ashiftrt.o lshrsi3.o \
+	 udiv_qrnnd.o
+
+udivsi3-y			:= udivsi3-Os.o
+
+ifneq ($(CONFIG_CC_OPTIMIZE_FOR_SIZE),y)
+udivsi3-$(CONFIG_CPU_SH3)	:= udivsi3.o
+udivsi3-$(CONFIG_CPU_SH4)	:= udivsi3.o
+endif
+
 obj-y				+= io.o
 
 memcpy-y			:= memcpy.o
@@ -12,6 +24,6 @@ memcpy-$(CONFIG_CPU_SH4)	:= memcpy-sh4.o
 
 lib-$(CONFIG_MMU)		+= copy_page.o clear_page.o
 lib-$(CONFIG_FUNCTION_TRACER)	+= mcount.o
-lib-y				+= $(memcpy-y)
+lib-y				+= $(memcpy-y) $(udivsi3-y)
 
 EXTRA_CFLAGS += -Werror