arm: mvebu: Add support for Synology DS116 (Armada 385)

Synology DS116 is a NAS based on Marvell Armada 385 SoC.

Board Specification:

- Marvel MV88F6820 Dual Core at 1.8GHz
- 1 GiB DDR3 RAM
- 8MB Macronix mx25l6405d SPI flash
- I2C
- 2x USB 3.0
- 1x GBE LAN port (PHY: Marvell 88E1510)
- 1x SATA (6 Gbps)
- 3x LED
- PIC16F1829 (connected to uart1)
- GPIO fan
- serial console

Note that this patch depends on the add-support for Thecus N2350 patch:
https://patchwork.ozlabs.org/project/uboot/patch/20230201231306.7010-1-mibodhi@gmail.com/

Signed-off-by: Tony Dinh <mibodhi@gmail.com>
diff --git a/configs/ds116_defconfig b/configs/ds116_defconfig
new file mode 100644
index 0000000..5546017
--- /dev/null
+++ b/configs/ds116_defconfig
@@ -0,0 +1,92 @@
+CONFIG_ARM=y
+CONFIG_ARCH_CPU_INIT=y
+CONFIG_SYS_THUMB_BUILD=y
+CONFIG_ARCH_MVEBU=y
+CONFIG_SUPPORT_PASSING_ATAGS=y
+CONFIG_CMDLINE_TAG=y
+CONFIG_INITRD_TAG=y
+CONFIG_TEXT_BASE=0x00800000
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_NR_DRAM_BANKS=2
+CONFIG_TARGET_DS116=y
+CONFIG_ENV_SIZE=0x10000
+CONFIG_ENV_OFFSET=0x7E0000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_DEFAULT_DEVICE_TREE="armada-385-synology-ds116"
+CONFIG_SPL_TEXT_BASE=0x40000030
+CONFIG_SYS_PROMPT="DS116> "
+CONFIG_SPL_SERIAL=y
+CONFIG_SPL=y
+CONFIG_DEBUG_UART_BASE=0xf1012000
+CONFIG_DEBUG_UART_CLOCK=250000000
+CONFIG_IDENT_STRING="\nSynology DS116"
+CONFIG_SYS_LOAD_ADDR=0x800000
+CONFIG_DEBUG_UART=y
+CONFIG_AHCI=y
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0xff0000
+CONFIG_BOOTDELAY=10
+CONFIG_USE_PREBOOT=y
+CONFIG_SYS_CONSOLE_INFO_QUIET=y
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_SPL_MAX_SIZE=0x22fd0
+CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
+CONFIG_SPL_BSS_START_ADDR=0x40023000
+CONFIG_SPL_BSS_MAX_SIZE=0x4000
+CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_STACK=0x4002c000
+CONFIG_SPL_I2C=y
+CONFIG_SYS_MAXARGS=32
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPIO_READ=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_TFTPPUT=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_DNS=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_MTDPARTS=y
+CONFIG_MTDPARTS_DEFAULT="mtdparts=spi0.0:1m(u-boot),7040k(kernel),64k(u-boot-env),-(data)"
+CONFIG_ENV_OVERWRITE=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_VERSION_VARIABLE=y
+CONFIG_ARP_TIMEOUT=200
+CONFIG_NET_RETRY_COUNT=50
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_NETCONSOLE=y
+CONFIG_SPL_OF_TRANSLATE=y
+CONFIG_AHCI_MVEBU=y
+CONFIG_LBA48=y
+CONFIG_SYS_64BIT_LBA=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_MVTWSI=y
+CONFIG_MTD=y
+CONFIG_SF_DEFAULT_SPEED=50000000
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_PHY_MARVELL=y
+CONFIG_PHY_GIGE=y
+CONFIG_MVNETA=y
+CONFIG_MII=y
+CONFIG_MVMDIO=y
+CONFIG_PCI=y
+CONFIG_PCI_MVEBU=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_ARMADA_38X=y
+CONFIG_DM_RTC=y
+CONFIG_RTC_ARMADA38X=y
+CONFIG_SCSI=y
+CONFIG_SPL_DEBUG_UART_BASE=0xd0012000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550=y
+CONFIG_KIRKWOOD_SPI=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_EHCI_HCD=y