soc/intel/xeon_sp/Kconfig: Remove useless USE_FSP2_0_DRIVER

Change-Id: Ic384ee804e217ba79f7e191f122ec61565abfc40
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76697
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>

src/soc/intel/xeon_sp/Kconfig

@@ -75,10 +75,6 @@ config	CPU_SPECIFIC_OPTIONS
 config MAINBOARD_USES_FSP2_0
 	  bool
 	  default y
-
-config USE_FSP2_0_DRIVER
-	  def_bool y
-	  depends on MAINBOARD_USES_FSP2_0
 	  select PLATFORM_USES_FSP2_0
 	  select UDK_202005_BINDING
 	  select POSTCAR_STAGE