rk3588: loader: add dram boot via usb

Build from rk_boot_all commit:
	c7de69a67: rk3326s: add usb phy tuning

Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
Change-Id: If7ca4dd183f659d749c4d2a142cc6179e0d7a29a

RKBOOT/RK3588MINIALL_RAMBOOT.ini

@@ -0,0 +1,25 @@
+[CHIP_NAME]
+NAME=RK3588
+[VERSION]
+MAJOR=1
+MINOR=6
+[CODE471_OPTION]
+NUM=1
+Path1=bin/rk35/rk3588_ddr_lp4_2112MHz_lp5_2736MHz_v1.06.bin
+Sleep=1
+[CODE472_OPTION]
+NUM=1
+Path1=bin/rk35/rk3588_ramboot_v1.06.bin
+[LOADER_OPTION]
+NUM=2
+LOADER1=FlashData
+LOADER2=FlashBoot
+FlashData=bin/rk35/rk3588_ramboot_null0.bin
+FlashBoot=bin/rk35/rk3588_ramboot_null1.bin
+[OUTPUT]
+PATH=rk3588_ramboot_loader_v1.06.106.bin
+[SYSTEM]
+NEWIDB=true
+[FLAG]
+471_RC4_OFF=true
+RC4_OFF=true