[MIPS] Make __declare_dbe_table static and avoid it getting optimized away

Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/kernel/traps.c

@@ -340,13 +340,9 @@ NORET_TYPE void ATTRIB_NORET die(const char * str, struct pt_regs * regs)
 extern const struct exception_table_entry __start___dbe_table[];
 extern const struct exception_table_entry __stop___dbe_table[];
 
-void __declare_dbe_table(void)
-{
-	__asm__ __volatile__(
-	".section\t__dbe_table,\"a\"\n\t"
-	".previous"
-	);
-}
+__asm__(
+"	.section	__dbe_table, \"a\"\n"
+"	.previous			\n");
 
 /* Given an address, look for it in the exception tables. */
 static const struct exception_table_entry *search_dbe_tables(unsigned long addr)