Add the fch_spi_early_init call in fch_pre_init to perform early SPI
initialization which enables SPI ROM and setting the speed & read modes.
BUG=b:194919326
TEST=Build and boot to OS in Guybrush.
Change-Id: Ibfbe6e16bd6b0dd46c13cecf2a35f0c0b4576b88
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56684
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>