mb/*/Kconfig: Drop redundant 'select CPU_INTEL_HASWELL'

CPU_INTEL_HASWELL is already selected at nb/intel/haswell/Kconfig.

Change-Id: I608286aae72bc740be642a72109472fb235f37bf
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44976
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/mainboard/intel/baskingridge/Kconfig

@@ -2,7 +2,6 @@ if BOARD_INTEL_BASKING_RIDGE
 
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
-	select CPU_INTEL_HASWELL
 	select NORTHBRIDGE_INTEL_HASWELL
 	select SOUTHBRIDGE_INTEL_LYNXPOINT
 	select BOARD_ROMSIZE_KB_8192