Blackfin arch: add proper ENDPROC()

add proper ENDPROC() to close out assembly functions
so size/type is set properly in the final ELF image

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/arch/blackfin/lib/umodsi3.S b/arch/blackfin/lib/umodsi3.S
index b55ce96..4f2b76e 100644
--- a/arch/blackfin/lib/umodsi3.S
+++ b/arch/blackfin/lib/umodsi3.S
@@ -34,7 +34,9 @@
 #endif
 
 .extern ___udivsi3;
+.type ___udivsi3, STT_FUNC;
 .globl	___umodsi3
+.type ___umodsi3, STT_FUNC;
 ___umodsi3:
 
 	CC=R0==0;
@@ -64,3 +66,5 @@
 	R0 = 0;
 .LRETURN_R0:
 	RTS;
+
+.size ___umodsi3, .-___umodsi3