powerpc/configs/64s: Enable BLK_DEV_NVME

Copy powernv_defconfig and enable BLK_DEV_NVME.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230414132415.821564-25-mpe@ellerman.id.au

arch/powerpc/configs/ppc64_defconfig

@@ -129,6 +129,7 @@ CONFIG_BLK_DEV_NBD=m
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=65536
 CONFIG_VIRTIO_BLK=m
+CONFIG_BLK_DEV_NVME=m
 CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_ST=m
 CONFIG_BLK_DEV_SR=y