drivers/intel/fsp2_0: Consolidate BUILDING_WITH_DEBUG_FSP option

Move the `BUILDING_WITH_DEBUG_FSP` Kconfig option from SoC-specific
files to the FSP2_0 driver Kconfig to avoid duplication. Also slightly
improves the option's prompt and help text.

TEST=Built and booted google/rex successfully.

Change-Id: I5c3dce59c396f6c1665a3ed1b8c1bb5df0f5a8d4
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84220
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>

src/drivers/intel/fsp2_0/Kconfig

@@ -533,4 +533,11 @@ config FSP_PUBLISH_MBP_HOB
 	  ChromeOS devices typically do not require the MBP information, hence it is disabled
 	  by default on ChromeOS.
 
+config BUILDING_WITH_DEBUG_FSP
+	bool "Use Debug FSP for Build"
+	default n
+	help
+	  Enable this option if you are using a debug build of the FSP (Firmware Support Package)
+	  in your project.
+
 endif

src/soc/intel/alderlake/Kconfig

@@ -493,12 +493,6 @@ config SI_DESC_REGION_SZ
 	help
 	  Size of Descriptor Region in the FMAP
 
-config BUILDING_WITH_DEBUG_FSP
-	bool "Debug FSP is used for the build"
-	default n
-	help
-	  Set this option if debug build of FSP is used.
-
 config INTEL_GMA_BCLV_OFFSET
 	default 0xc8258
 

src/soc/intel/meteorlake/Kconfig

@@ -380,12 +380,6 @@ config SOC_INTEL_GFX_FRAMEBUFFER_OFFSET
 	hex
 	default 0x800000
 
-config BUILDING_WITH_DEBUG_FSP
-	bool "Debug FSP is used for the build"
-	default n
-	help
-	  Set this option if debug build of FSP is used.
-
 config DROP_CPU_FEATURE_PROGRAM_IN_FSP
 	bool
 	default y if MP_SERVICES_PPI_V2_NOOP || CHROMEOS

src/soc/intel/pantherlake/Kconfig

@@ -242,10 +242,4 @@ config MRC_CHANNEL_WIDTH
 	int
 	default 16
 
-config BUILDING_WITH_DEBUG_FSP
-	bool "Debug FSP is used for the build"
-	default n
-	help
-	  Set this option if debug build of FSP is used.
-
 endif