NFC: nfcmrvl: add spi driver

This driver adds the support of SPI-based Marvell NFC controller.

Signed-off-by: Vincent Cuissard <cuissard@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/nfc/nfcmrvl/Kconfig b/drivers/nfc/nfcmrvl/Kconfig
index e18a979..444ca946 100644
--- a/drivers/nfc/nfcmrvl/Kconfig
+++ b/drivers/nfc/nfcmrvl/Kconfig
@@ -42,3 +42,13 @@
 	  Say Y here to compile support for Marvell NFC-over-I2C driver
 	  into the kernel or say M to compile it as module.
 
+config NFC_MRVL_SPI
+	tristate "Marvell NFC-over-SPI driver"
+	depends on NFC_MRVL && SPI
+	help
+	  Marvell NFC-over-SPI driver.
+
+	  This driver provides support for Marvell NFC-over-SPI devices.
+
+	  Say Y here to compile support for Marvell NFC-over-SPI driver
+	  into the kernel or say M to compile it as module.