spi/imx: Add i.MX53 support

1. Change the Kconfig to include i.MX53
2. add devtype entry for i.MX53

Signed-off-by: Yong Shen <[email protected]>
Acked-by: Sascha Hauer <[email protected]>
Acked-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Grant Likely <[email protected]>
2 files changed