x86: Fix misc small issues

Fix:

  ./arch/x86/kernel/traps.c: asm/proto.h is included more than once.

  ./arch/x86/kernel/alternative.c:1610:2-3: Unneeded semicolon.

  [ bp: Merge into a single patch. ]

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/1620902768-53822-1-git-send-email-jiapeng.chong@linux.alibaba.com
Link: https://lore.kernel.org/r/20220926054628.116957-1-jiapeng.chong@linux.alibaba.com

Author: wb-zjp846396

arch/x86/kernel/alternative.c

@@ -1608,7 +1608,7 @@ static void text_poke_loc_init(struct text_poke_loc *tp, void *addr,
 
 	default:
 		BUG_ON(len != insn.length);
-	};
+	}
 
 
 	switch (tp->opcode) {

arch/x86/kernel/traps.c

@@ -67,13 +67,13 @@
 
 #ifdef CONFIG_X86_64
 #include <asm/x86_init.h>
-#include <asm/proto.h>
 #else
 #include <asm/processor-flags.h>
 #include <asm/setup.h>
-#include <asm/proto.h>
 #endif
 
+#include <asm/proto.h>
+
 DECLARE_BITMAP(system_vectors, NR_VECTORS);
 
 static inline void cond_local_irq_enable(struct pt_regs *regs)