runtime: migrate internal/syscall to internal/runtime

For #65355

Change-Id: I5fefe30dcb520159de565e61dafc74a740fc8730
Reviewed-on: https://go-review.googlesource.com/c/go/+/559715
Reviewed-by: Michael Pratt <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Michael Knyszek <[email protected]>

Author: panjf2000

src/cmd/internal/objabi/pkgspecial.go

@@ -46,7 +46,7 @@ var runtimePkgs = []string{
 	"runtime/internal/atomic",
 	"runtime/internal/math",
 	"runtime/internal/sys",
-	"runtime/internal/syscall",
+	"internal/runtime/syscall",
 
 	"internal/abi",
 	"internal/bytealg",
@@ -81,7 +81,7 @@ var allowAsmABIPkgs = []string{
 	"syscall",
 	"internal/bytealg",
 	"internal/chacha8rand",
-	"runtime/internal/syscall",
+	"internal/runtime/syscall",
 	"runtime/internal/startlinetest",
 }
 

src/go/build/deps_test.go

@@ -69,7 +69,7 @@ var depsRules = `
 	< internal/itoa
 	< internal/unsafeheader
 	< runtime/internal/sys
-	< runtime/internal/syscall
+	< internal/runtime/syscall
 	< runtime/internal/atomic
 	< runtime/internal/math
 	< runtime

src/internal/coverage/pkid.go

@@ -31,7 +31,7 @@ package coverage
 //    slot: 6 path='runtime/internal/math'  hard-coded id: 6
 //    slot: 7 path='internal/bytealg'  hard-coded id: 7
 //    slot: 8 path='internal/goexperiment'
-//    slot: 9 path='runtime/internal/syscall'  hard-coded id: 8
+//    slot: 9 path='internal/runtime/syscall'  hard-coded id: 8
 //    slot: 10 path='runtime'  hard-coded id: 9
 //    fatal error: runtime.addCovMeta
 //
@@ -55,7 +55,7 @@ var rtPkgs = [...]string{
 	"runtime/internal/math",
 	"internal/bytealg",
 	"internal/goexperiment",
-	"runtime/internal/syscall",
+	"internal/runtime/syscall",
 	"runtime",
 }