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/mach-common/cplbhdlr.S b/arch/blackfin/mach-common/cplbhdlr.S
index b979067..2f3c72c 100644
--- a/arch/blackfin/mach-common/cplbhdlr.S
+++ b/arch/blackfin/mach-common/cplbhdlr.S
@@ -42,8 +42,6 @@
 
 .align 2
 
-.global __cplb_hdr;
-.type __cplb_hdr, STT_FUNC;
 ENTRY(__cplb_hdr)
 	R2 = SEQSTAT;
 
@@ -128,3 +126,5 @@
 	call _panic_cplb_error;
 	SP += 12;
 	JUMP _handle_bad_cplb;
+
+ENDPROC(__cplb_hdr)