soc/amd/picasso: Remove unused Kconfig options

No AGESA v5 binaryPI features are still present in the picasso directory.
Remove the PI and S3 selects.  Remove DCACHE symbols.  Remove all vboot
options until the new PSP-based solution is developed.

Change-Id: I6542578afafc0ee3c3117a971b1a021dbe53f42c
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37488
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/soc/amd/picasso/Kconfig

@@ -37,7 +37,6 @@ config CPU_SPECIFIC_OPTIONS
 	select SOC_AMD_COMMON_BLOCK_SPI
 	select TSC_SYNC_LFENCE
 	select UDELAY_TSC
-	select SOC_AMD_PI
 	select SOC_AMD_COMMON
 	select SOC_AMD_COMMON_BLOCK
 	select SOC_AMD_COMMON_BLOCK_IOMMU
@@ -48,7 +47,6 @@ config CPU_SPECIFIC_OPTIONS
 	select SOC_AMD_COMMON_BLOCK_PCI
 	select SOC_AMD_COMMON_BLOCK_HDA
 	select SOC_AMD_COMMON_BLOCK_SATA
-	select SOC_AMD_COMMON_BLOCK_S3
 	select BOOT_DEVICE_SUPPORTS_WRITES if BOOT_DEVICE_SPI_FLASH
 	select BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY if BOOT_DEVICE_SPI_FLASH
 	select PARALLEL_MP
@@ -57,36 +55,10 @@ config CPU_SPECIFIC_OPTIONS
 	select SSE2
 	select RTC
 
-config VBOOT
-	select VBOOT_SEPARATE_VERSTAGE
-	select VBOOT_STARTS_IN_BOOTBLOCK
-	select VBOOT_SAVE_RECOVERY_REASON_ON_REBOOT
-	select VBOOT_VBNV_CMOS
-	select VBOOT_VBNV_CMOS_BACKUP_TO_FLASH
-
 config HAVE_BOOTBLOCK
 	bool
 	default n
 
-# TODO: Sync these with definitions in PI vendorcode.
-# DCACHE_RAM_BASE must equal BSP_STACK_BASE_ADDR.
-# DCACHE_RAM_SIZE must equal BSP_STACK_SIZE.
-
-config DCACHE_RAM_BASE
-	hex
-	default 0x30000
-
-config DCACHE_RAM_SIZE
-	hex
-	default 0x10000
-
-config DCACHE_BSP_STACK_SIZE
-	hex
-	default 0x4000
-	help
-	  The amount of anticipated stack usage in CAR by bootblock and
-	  other stages.
-
 config PRERAM_CBMEM_CONSOLE_SIZE
 	hex
 	default 0x1600