rpi4: boot: Update the firmwares for kernel v5.10.46

rpi4: boot: Update the firmwares for kernel v5.10.46

Update the firmwares with the latest version from the vendor git repo.

The commit base is "d06e0ef85c22 kernel: Bump to 5.10.46"

Since firmwares v5.10.47, there is an issue where HDMI-0 UHD does not
work. So we apply firmwaresv5.10.46.

- RPi4 rev1.5 target requires to use the latest firmware version.
(5.4.10 firmware was too old, so it doesn't boot anymore on RPi4 rev1.5)

- Refer to below message on RPi4(Rev1.5) - 0xC03115

Read start4x.elf bytes  3036136 hnd 0x00000000
Read fixup4x.dat bytes     8416 hnd 0x00000000
Firmware: 36c8be9515deddc9d2b1f469374f00d0a2df13f9 Jul  2 2020 15:00:30
0x00c03115 0x00000000 0x0000001f
start4x.elf: is not compatible
This board requires newer software
Get the latest software from https://www.raspberrypi.com/software/

Change-Id: Iffd23e0e866284ea68a42136ce735f5412e59f25
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
cherry picked from commit 6939a678d93472a37ee702f6a59cb14d49aa1c84)
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>