xtensa: gdbstub: (cosmetic) simplify a conditional

Move an assignment performed on both "if" branches as the last
operation to after the "if."

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

arch/xtensa/core/gdbstub.c

@@ -466,11 +466,10 @@ static void copy_to_ctx(struct gdb_ctx *ctx, const struct arch_esf *stack)
 		if (reg->regno == SOC_GDB_REGNO_A1) {
 			/* A1 is calculated */
 			reg->val = POINTER_TO_UINT(((char *)bsa) + sizeof(_xtensa_irq_bsa_t));
-			reg->seqno = ctx->seqno;
 		} else {
 			reg->val = bsa[reg->stack_offset / 4];
-			reg->seqno = ctx->seqno;
 		}
+		reg->seqno = ctx->seqno;
 	}
 
 	/* For registers other than logical address registers */