riscv: mpfs: move SoC level options to the CPU Kconfig

There are multiple boards that use the PolarFire SoC, so extract
the Kconfig sections that are determined at a CPU level from the board
Kconfigs now that we have a CPU Kconfig.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

arch/riscv/cpu/mpfs/Kconfig

@@ -14,3 +14,20 @@ config MICROCHIP_MPFS
 	imply SPL_LOAD_FIT
 	imply REGMAP
 	imply SYSCON
+	imply CLK_CCF
+	imply CLK_MPFS
+	imply SYS_NS16550
+	imply MACB
+	imply MII
+	imply CMD_I2C
+	imply DM_I2C
+	imply SYS_I2C_MICROCHIP
+	imply MMC
+	imply MMC_WRITE
+	imply MMC_SDHCI
+	imply MMC_SDHCI_CADENCE
+	imply MMC_SDHCI_ADMA
+	imply MMC_HS200_SUPPORT
+	imply SPI
+	imply DM_SPI
+	imply MICROCHIP_QSPI

board/microchip/mpfs_generic/Kconfig

@@ -22,11 +22,6 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select BOARD_EARLY_INIT_F
 	select BOARD_LATE_INIT
 	imply SMP
-	imply CLK_CCF
-	imply CLK_MPFS
-	imply REGMAP
-	imply SYSCON
-	imply SYS_NS16550
 	imply CMD_DHCP
 	imply CMD_EXT2
 	imply CMD_EXT4
@@ -39,23 +34,8 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	imply EFI_PARTITION
 	imply IP_DYN
 	imply ISO_PARTITION
-	imply MACB
-	imply MII
 	imply PHY_LIB
 	imply PHY_VITESSE
-	imply MMC
-	imply MMC_WRITE
-	imply MMC_SDHCI
-	imply MMC_SDHCI_CADENCE
-	imply MMC_SDHCI_ADMA
-	imply MMC_HS200_SUPPORT
-	imply CMD_I2C
-	imply DM_I2C
-	imply SYS_I2C_MICROCHIP
-	imply MTD
-	imply SPI
-	imply DM_SPI
-	imply MICROCHIP_COREQSPI
 	imply MTD_SPI_NAND
 	imply CMD_MTD
 	imply CMD_MTDPARTS