ARM: 6110/1: Fix Thumb-2 kernel builds when UACCESS_WITH_MEMCPY is enabled

The patch adds the ENDPROC declarations for the __copy_to_user_std and
__clear_user_std functions. Without these, the compiler generates BXL to
ARM when compiling the kernel in Thumb-2 mode.
Reported-by: NKyungmin Park <kmpark@infradead.org>
Tested-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
Acked-by: NNicolas Pitre <nico@fluxnic.net>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/lib/clear_user.S

@@ -45,6 +45,7 @@ USER(		strnebt	r2, [r0])
 		mov	r0, #0
 		ldmfd	sp!, {r1, pc}
 ENDPROC(__clear_user)
+ENDPROC(__clear_user_std)
 
 		.pushsection .fixup,"ax"
 		.align	0

arch/arm/lib/copy_to_user.S

@@ -93,6 +93,7 @@ WEAK(__copy_to_user)
 #include "copy_template.S"
 
 ENDPROC(__copy_to_user)
+ENDPROC(__copy_to_user_std)
 
 	.pushsection .fixup,"ax"
 	.align 0