tgl: Update VBTs

[crawfxrd]

TGL VBT was updated from version 240 to 250 with:

• coreboot/coreboot@4c7e97b26a34: Update fsp submodule to upstream master branch

Graphics pre-OS no longer work. VBTs need to be updated for the new format.

Actual output

[DEBUG]  PCI: 00:02.0 init
[INFO ]  GMA: Found VBT in CBFS
[INFO ]  GMA: Found valid VBT in CBFS
[INFO ]  framebuffer_info: bytes_per_line: 4096, bits_per_pixel: 32
[INFO ]                     x_res x y_res: 1024 x 768, size: 3145728 at 0xd0000000
[DEBUG]  PCI: 00:02.0 init finished in 6 msecs

Expected output

[DEBUG]  PCI: 00:00:02.0 init
[INFO ]  GMA: Found VBT in CBFS
[INFO ]  GMA: Found valid VBT in CBFS
[INFO ]  framebuffer_info: bytes_per_line: 7680, bits_per_pixel: 32
[INFO ]                     x_res x y_res: 1920 x 1080, size: 8294400 at 0xd0000000
[DEBUG]  PCI: 00:00:02.0 init finished in 6 msecs

Test

• Verify boot splash shows on the display
• Verify display renders firmware-setup at correct resolution