spi: ti_qspi: Drop non DM code

Now that all boards using TI QSPI have moved to DM and DT, drop non DM
code completely.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
[jagan: update MIGRATION.txt, rebase config_whitelist.txt]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>

include/configs/am43xx_evm.h

@@ -120,12 +120,6 @@
 #define CONFIG_ENV_OFFSET_REDUND       0x120000
 #endif
 
-/* SPI */
-#define CONFIG_TI_SPI_MMAP
-#define CONFIG_QSPI_SEL_GPIO                   48
-#define CONFIG_QSPI_QUAD_SUPPORT
-#define CONFIG_TI_EDMA3
-
 #ifndef CONFIG_SPL_BUILD
 #include <environment/ti/dfu.h>
 #include <environment/ti/mmc.h>

include/configs/am57xx_evm.h

@@ -92,11 +92,6 @@
 #define CONFIG_SYS_SPI_ARGS_SIZE        0x80000
 
 /* SPI SPL */
-#define CONFIG_TI_EDMA3
 #define CONFIG_SYS_SPI_U_BOOT_OFFS     0x40000
 
-/* SPI */
-#define CONFIG_TI_SPI_MMAP
-#define CONFIG_QSPI_QUAD_SUPPORT
-
 #endif /* __CONFIG_AM57XX_EVM_H */

include/configs/cm_t43.h

@@ -53,9 +53,6 @@
 #define CONFIG_USB_XHCI_OMAP
 #define CONFIG_AM437X_USB2PHY2_HOST
 
-/* SPI Flash support */
-#define CONFIG_TI_SPI_MMAP
-
 /* Power */
 #define CONFIG_POWER
 #define CONFIG_POWER_I2C

include/configs/dra7xx_evm.h

@@ -72,10 +72,6 @@
 #define CONFIG_NET_RETRY_COUNT		10
 #define CONFIG_PHY_TI
 
-/* SPI */
-#define CONFIG_TI_SPI_MMAP
-#define CONFIG_QSPI_QUAD_SUPPORT
-
 /*
  * Default to using SPI for environment, etc.
  * 0x000000 - 0x040000 : QSPI.SPL (256KiB)
@@ -98,7 +94,6 @@
 #endif
 
 /* SPI SPL */
-#define CONFIG_TI_EDMA3
 #define CONFIG_SYS_SPI_U_BOOT_OFFS     0x40000
 
 #define CONFIG_SUPPORT_EMMC_BOOT