configs: Finish migration of CONFIG_ATMEL_SPI

With the previous temporary reverts, we need to re-complete the
migration of CONFIG_ATMEL_SPI here now.
Signed-off-by: NTom Rini <trini@konsulko.com>

include/configs/ma5d4evk.h

@@ -86,7 +86,6 @@
  * SPI NOR (boot memory)
  */
 #ifdef CONFIG_CMD_SF
-#define CONFIG_ATMEL_SPI
 #define CONFIG_ATMEL_SPI0
 #define CONFIG_SPI_FLASH_ATMEL
 #define CONFIG_SF_DEFAULT_BUS		0

include/configs/vinco.h

@@ -38,7 +38,6 @@
 /* SerialFlash */
 
 #ifdef CONFIG_CMD_SF
-#define CONFIG_ATMEL_SPI
 #define CONFIG_ATMEL_SPI0
 #define CONFIG_SPI_FLASH_STMICRO
 #define CONFIG_SF_DEFAULT_BUS		0