runtime/internal/atomic: deduplicate And/Or ops on arm

Turns out after adding the generic implementation for And/Or we ended up
with duplicated ops that are exactly the same for arm.

This CL removes the arm code and adds arm to the generic build flags.

For #61395

Author: mauri870

src/runtime/internal/atomic/atomic_andor_generic.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build s390x || loong64 || mips || mipsle || mips64 || mips64le
+//go:build arm || s390x || loong64 || mips || mipsle || mips64 || mips64le
 
 package atomic
 

src/runtime/internal/atomic/atomic_arm.go

@@ -208,66 +208,6 @@ func And(addr *uint32, v uint32) {
 	}
 }
 
-//go:nosplit
-func Or32(addr *uint32, v uint32) uint32 {
-	for {
-		old := *addr
-		if Cas(addr, old, old|v) {
-			return old
-		}
-	}
-}
-
-//go:nosplit
-func And32(addr *uint32, v uint32) uint32 {
-	for {
-		old := *addr
-		if Cas(addr, old, old&v) {
-			return old
-		}
-	}
-}
-
-//go:nosplit
-func Or64(addr *uint64, v uint64) uint64 {
-	for {
-		old := *addr
-		if Cas64(addr, old, old|v) {
-			return old
-		}
-	}
-}
-
-//go:nosplit
-func And64(addr *uint64, v uint64) uint64 {
-	for {
-		old := *addr
-		if Cas64(addr, old, old&v) {
-			return old
-		}
-	}
-}
-
-//go:nosplit
-func Oruintptr(addr *uintptr, v uintptr) uintptr {
-	for {
-		old := *addr
-		if Casuintptr(addr, old, old|v) {
-			return old
-		}
-	}
-}
-
-//go:nosplit
-func Anduintptr(addr *uintptr, v uintptr) uintptr {
-	for {
-		old := *addr
-		if Casuintptr(addr, old, old&v) {
-			return old
-		}
-	}
-}
-
 //go:nosplit
 func armcas(ptr *uint32, old, new uint32) bool