linux/export: Ensure natural alignment of kcrctab array

The ___kcrctab section holds an array of 32-bit CRC values.
Add a .balign 4 to tell the linker the correct memory alignment.

Fixes: f3304ecd ("linux/export: use inline assembler to populate symbol CRCs")
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

include/linux/export-internal.h

@@ -64,6 +64,7 @@
 
 #define SYMBOL_CRC(sym, crc, sec)   \
 	asm(".section \"___kcrctab" sec "+" #sym "\",\"a\""	"\n" \
+	    ".balign 4"						"\n" \
 	    "__crc_" #sym ":"					"\n" \
 	    ".long " #crc					"\n" \
 	    ".previous"						"\n")