cmd/internal/obj/arm64: gofmt

Change-Id: Ica778fef2d0245fbb14f595597e45c7cf6adef84
Reviewed-on: https://go-review.googlesource.com/98895
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

src/cmd/internal/obj/arm64/asm7.go

@@ -3160,7 +3160,7 @@ func (c *ctxt7) asmout(p *obj.Prog, o *Optab, out []uint32) {
 		if p.As == ASTXP || p.As == ASTXPW || p.As == ASTLXP || p.As == ASTLXPW {
 			o1 |= uint32(p.From.Offset&31) << 10
 		}
-		o1 |= uint32(p.To.Reg&31) << 5 | uint32(p.From.Reg & 31)
+		o1 |= uint32(p.To.Reg&31)<<5 | uint32(p.From.Reg&31)
 
 	case 60: /* adrp label,r */
 		d := c.brdist(p, 12, 21, 0)