gopls/internal/test/integration/misc: fix "want" assembly

MOVD, MOVL, MOV are all valid. The latter appears in riscv.

Fixes golang/go#71956

Change-Id: I74aa3d9a47a20b44d398054e7184e984c6701ca0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/652359
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Robert Findley <[email protected]>
Auto-Submit: Alan Donovan <[email protected]>

Author: adonovan

gopls/internal/test/integration/misc/webserver_test.go

@@ -605,16 +605,16 @@ func init() {
 		{
 			report := asmFor(`f\(123\)`)
 			checkMatch(t, true, report, `TEXT.*example.com/a.init`)
-			checkMatch(t, true, report, `MOV.	\$123`)
-			checkMatch(t, true, report, `MOV.	\$456`)
+			checkMatch(t, true, report, `MOV.?	\$123`)
+			checkMatch(t, true, report, `MOV.?	\$456`)
 			checkMatch(t, true, report, `CALL	example.com/a.f`)
 		}
 
 		// And code in a source-level init function.
 		{
 			report := asmFor(`f\(789\)`)
 			checkMatch(t, true, report, `TEXT.*example.com/a.init`)
-			checkMatch(t, true, report, `MOV.	\$789`)
+			checkMatch(t, true, report, `MOV.?	\$789`)
 			checkMatch(t, true, report, `CALL	example.com/a.f`)
 		}
 	})