internal/rosa: key-value type

This type is used very frequently. The new type is much easier to type and can receive helper methods eventually if needed.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/qemu.go

@@ -12,7 +12,7 @@ func (t Toolchain) newQEMU() (pkg.Artifact, string) {
 		mustDecode(checksum),
 		pkg.TarBzip2,
 	), &PackageAttr{
-		Patches: [][2]string{
+		Patches: []KV{
 			{"disable-mcast-test", `diff --git a/tests/qtest/netdev-socket.c b/tests/qtest/netdev-socket.c
 index b731af0ad9..b5cbed4801 100644
 --- a/tests/qtest/netdev-socket.c
@@ -58,7 +58,7 @@ _notrun 'appears to spuriously fail on zfs'
 EOF
 `,
 	}, &MakeHelper{
-		Configure: [][2]string{
+		Configure: []KV{
 			{"disable-download"},
 			{"disable-docs"},