sh64: Kill off special clear_page() implementation.

This can use the now generic clear_page() implementation, which is backed
by the sh64 optimized memset routine. This also fixes up the case where
PAGE_SIZE != 4kB.

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

arch/sh/kernel/sh_ksyms_64.c

@@ -52,7 +52,6 @@ EXPORT_SYMBOL(__get_user_asm_l);
 EXPORT_SYMBOL(__get_user_asm_q);
 EXPORT_SYMBOL(__strnlen_user);
 EXPORT_SYMBOL(__strncpy_from_user);
-EXPORT_SYMBOL(clear_page);
 EXPORT_SYMBOL(__clear_user);
 EXPORT_SYMBOL(copy_page);
 EXPORT_SYMBOL(__copy_user);

arch/sh/lib64/Makefile

@@ -11,7 +11,7 @@
 
 # Panic should really be compiled as PIC
 lib-y  := udelay.o dbg.o panic.o memcpy.o memset.o \
-	  copy_user_memcpy.o copy_page.o clear_page.o strcpy.o strlen.o
+	  copy_user_memcpy.o copy_page.o strcpy.o strlen.o
 
 # Extracted from libgcc
 lib-y	+= udivsi3.o udivdi3.o sdivsi3.o