AArch32: Print ASM_ASSERT and panic messages

ASM_ASSERT failure and panic messages are suppressed at present. This
patch enables printing the PC location for panic messages, and file name
and line number upon assembly assert failure.

Change-Id: I80cb715988e7ce766f64da1e1d7065a74a096a0c
Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
diff --git a/include/common/aarch32/assert_macros.S b/include/common/aarch32/assert_macros.S
index f35fc6a..f32ef7a 100644
--- a/include/common/aarch32/assert_macros.S
+++ b/include/common/aarch32/assert_macros.S
@@ -43,8 +43,8 @@
 .endif ;\
 	b##_cc	300f ;\
 	ldr	r0, =.L_assert_filename ;\
-	mov	r1, #__LINE__ ;\
-	b	. ;\
+	ldr	r1, =__LINE__ ;\
+	b	asm_assert;\
 300:
 
 #endif /* __ASSERT_MACROS_S__ */