soc/intel: Use correct terminology for SPI flash operations

FPR is an attribute of the SPI flash component and not of the SPI bus
itself. Rename functions, file names and Kconfig option to make sure
this is conveyed correctly.

BUG=None
BRANCH=None
TEST=Compiles successfully.

Change-Id: I9f06f1a8ee28b8c56db64ddd6a19dd9179c54f50
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17560
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig
index 04dbf0e..988547c 100644
--- a/src/soc/intel/skylake/Kconfig
+++ b/src/soc/intel/skylake/Kconfig
@@ -44,7 +44,7 @@
 	select SOC_INTEL_COMMON_LPSS_I2C
 	select SOC_INTEL_COMMON_NHLT
 	select SOC_INTEL_COMMON_RESET
-	select SOC_INTEL_COMMON_SPI_PROTECT
+	select SOC_INTEL_COMMON_SPI_FLASH_PROTECT
 	select SMM_TSEG
 	select SMP
 	select SSE2