hp: add VD_AFK1024600A02
hp: add tx enable for rs485
hp: add CONFIG_SPI_FLASH_SPANSION
hp: initialize otg network always
hp: add hp_s512m_defconfig
hp: hp_defconfig add CONFIG_BLOCK_CACHE
hp_s512m: hp_s512m_defconfig add CONFIG_BLOCK_CACHE
hp: add hp_q1g_defconfig
hp: use common code for eth init
hp: eth.c now in common directory
hp: move misc_init_r/do_kbd to common
hp: move mmc_init/ dram_init/ overwrite_console/ common_board_init/ splash_screen_prepare/ board_cfb_skip to common
hp: use common 1066mhz_4x128mx16.cfg
hp: add  CONFIG_SPI_FLASH_GIGADEVICE: to defconfigs
hp: 800mhz_2x128mx16.cfg: remove _P1 accesses
hp: 800mhz_2x128mx16.cfg: use common values

CFG0: 0x40435323 to 0x3f435333
tRFC - 65 to 64 clocks
tFAW - 19 to 20 clocks

CFG1: 0xB66E8D63 to 0xb68e8b63
tRC from 20 to 21 clocks
tWR from 7 to 6 clocks

MR0: 0x13208030 to 0x15208030
tWR from 5 to 6 clocks

hp: use common ddr scripts
hp: check otg_power_detect before enabling otg_vbus
hp: ensure otg cable not connected before allowing boot
hp: port to v2018.07

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>

hp: update to v2017.01
hp: update to v2017.03

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>