ARM: at91: add atmel-mci support for chips and boards which can use it

Since atmel-mci driver supports all atmel mci versions,
use it instead of the deprecated at91_mci driver.
Platform data and all related configuration are removed.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
[nicolas.ferre@atmel.com: remove at91_mci platform data]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c
index 6860d34..40d595a 100644
--- a/arch/arm/mach-at91/board-sam9g20ek.c
+++ b/arch/arm/mach-at91/board-sam9g20ek.c
@@ -91,7 +91,7 @@
  * SPI devices.
  */
 static struct spi_board_info ek_spi_devices[] = {
-#if !(defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_AT91))
+#if !IS_ENABLED(CONFIG_MMC_ATMELMCI)
 	{	/* DataFlash chip */
 		.modalias	= "mtd_dataflash",
 		.chip_select	= 1,
@@ -198,7 +198,6 @@
  * MCI (SD/MMC)
  * wp_pin and vcc_pin are not connected
  */
-#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
 static struct mci_platform_data __initdata ek_mmc_data = {
 	.slot[1] = {
 		.bus_width	= 4,
@@ -207,28 +206,15 @@
 	},
 
 };
-#else
-static struct at91_mmc_data __initdata ek_mmc_data = {
-	.slot_b		= 1,	/* Only one slot so use slot B */
-	.wire4		= 1,
-	.det_pin	= AT91_PIN_PC9,
-	.wp_pin		= -EINVAL,
-	.vcc_pin	= -EINVAL,
-};
-#endif
 
 static void __init ek_add_device_mmc(void)
 {
-#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
 	if (ek_have_2mmc()) {
 		ek_mmc_data.slot[0].bus_width = 4;
 		ek_mmc_data.slot[0].detect_pin = AT91_PIN_PC2;
 		ek_mmc_data.slot[0].wp_pin = -1;
 	}
 	at91_add_device_mci(0, &ek_mmc_data);
-#else
-	at91_add_device_mmc(0, &ek_mmc_data);
-#endif
 }
 
 /*