Merge branch 'next-dev' into thunder-boot

driver: ram: rockchip: dram common code add RK3328 driver

Change-Id: I956f9eb01ce3fc393901aab6bf1a40931114b1b0
Signed-off-by: YouMin Chen <cym@rock-chips.com>

driver: ram: rockchip: rename sdram_share.* to sdram_common.*

Change-Id: I8dddb0269764f748d3ae277b2cb04f86bb015ba2
Signed-off-by: YouMin Chen <cym@rock-chips.com>

driver: ram: rockchip: rename sdram_common.* to sdram.*

Change-Id: Idc6edee2906297d3ab681a36dc58c79283c0eb57
Signed-off-by: YouMin Chen <cym@rock-chips.com>

driver: ram: rockchip: add common code about dram init

Add commond code about rockchip dram init,include print dram info,
capacity detect,config msch timing,config os_regs and so on.

Change-Id: Ie4

driver: ram: rockchip: add common code about dram init

Add commond code about rockchip dram init,include print dram info,
capacity detect,config msch timing,config os_regs and so on.

Change-Id: Ie4223dac31bde290d19627c96088542fcdd5521d
Signed-off-by: YouMin Chen <cym@rock-chips.com>

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