CRISv32: Remove last remnants of ETRAX_SPI_MMC_BOARD

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Reported-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>

arch/cris/arch-v32/drivers/Kconfig

@@ -359,13 +359,6 @@ config ETRAX_SPI_MMC
 	default MMC
 	select SPI
 	select MMC_SPI
-	select ETRAX_SPI_MMC_BOARD
-
-# For the parts that can't be a module (due to restrictions in
-# framework elsewhere).
-config ETRAX_SPI_MMC_BOARD
-       boolean
-       default n
 
 # While the board info is MMC_SPI only, the drivers are written to be
 # independent of MMC_SPI, so we'll keep SPI non-dependent on the