soc/amd/stoneyridge|mbs: Deprecate SOC_AMD_NAME_PKG and others

Add package and APU selections to mainboards and remove symbols no
longer used in soc//stoneyridge.

Change-Id: I60214b6557bef50358f9ec8f9fcdb7265e04663b
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37225
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>

src/mainboard/amd/gardenia/Kconfig

@@ -18,7 +18,8 @@ if BOARD_AMD_GARDENIA
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select SOC_AMD_STONEYRIDGE
-	select SOC_AMD_STONEYRIDGE_FP4
+	select AMD_APU_STONEYRIDGE
+	select AMD_APU_PKG_FP4
 	select HAVE_PIRQ_TABLE
 	select HAVE_MP_TABLE
 	select HAVE_ACPI_TABLES

src/mainboard/amd/padmelon/Kconfig

@@ -18,7 +18,8 @@ if BOARD_AMD_PADMELON
 config BOARD_SPECIFIC_OPTIONS # dummy
 	def_bool y
 	select SOC_AMD_STONEYRIDGE
-	select SOC_AMD_MERLINFALCON
+	select AMD_APU_MERLINFALCON
+	select AMD_APU_PKG_FP4
 	select BOARD_ROMSIZE_KB_8192
 	select DRIVERS_I2C_GENERIC
 	select DRIVERS_PS2_KEYBOARD