soc/intel/xeon_sp/spr/Kconfig: Remove unused SIPI_FINAL_TIMEOUT

Change-Id: I915e0e942adf33175fdc9fe055fce013824d6c0f
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76698
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/xeon_sp/spr/Kconfig

@@ -27,10 +27,6 @@ config ACPI_CPU_STRING
 	string
 	default "C%03X"
 
-config SIPI_FINAL_TIMEOUT
-	int
-	default 400000
-
 config PCR_BASE_ADDRESS
 	hex
 	default 0xfd000000