src/mediatek/mt8192: use Mediatek mt8192 vendor code (CB:50294)

Mediatek maintains the DRAM initialization code, the coding style
is different from coreboot, when CB:50294 is ready, soc/mediatek/mt8192
will not be used.

Signed-off-by: Xi Chen <xixi.chen@mediatek.com>
Change-Id: I2b2f41d774c6b85f106867144fb0b29a4a1bdfcf
---
A src/soc/mediatek/common/Kconfig
R src/soc/mediatek/common/dpm.c
A src/soc/mediatek/common/dram_init.c
R src/soc/mediatek/common/dramc_param.c
R src/soc/mediatek/common/include/soc/dpm.h
A src/soc/mediatek/common/include/soc/dramc_common.h
R src/soc/mediatek/common/include/soc/dramc_param.h
A src/soc/mediatek/common/include/soc/emi.h
R src/soc/mediatek/common/memory.c
M src/soc/mediatek/mt8192/Kconfig
M src/soc/mediatek/mt8192/Makefile.inc
D src/soc/mediatek/mt8192/dramc_ana_init_config.c
D src/soc/mediatek/mt8192/dramc_dig_config.c
D src/soc/mediatek/mt8192/dramc_dvfs.c
D src/soc/mediatek/mt8192/dramc_pi_basic_api.c
D src/soc/mediatek/mt8192/dramc_pi_calibration_api.c
D src/soc/mediatek/mt8192/dramc_pi_main.c
D src/soc/mediatek/mt8192/dramc_power.c
D src/soc/mediatek/mt8192/dramc_subsys_config.c
D src/soc/mediatek/mt8192/dramc_tracking.c
D src/soc/mediatek/mt8192/dramc_utility.c
D src/soc/mediatek/mt8192/emi.c
D src/soc/mediatek/mt8192/include/soc/dramc_ac_timing.h
D src/soc/mediatek/mt8192/include/soc/dramc_common_mt8192.h
D src/soc/mediatek/mt8192/include/soc/dramc_pi_api.h
D src/soc/mediatek/mt8192/include/soc/dramc_power.h
D src/soc/mediatek/mt8192/include/soc/dramc_register.h
D src/soc/mediatek/mt8192/include/soc/dramc_register_bits_def.h
A src/soc/mediatek/mt8192/include/soc/dramc_soc.h
D src/soc/mediatek/mt8192/include/soc/emi.h
M src/vendorcode/Makefile.inc
31 files changed, 215 insertions(+), 19,573 deletions(-)