Nyan: Set I2S1 Source to CLK_M

This is required to send 1.5Mhz clock to Max98090 and get a right beep sound.

BUG=chrome-os-partner:26609
TEST=Booted Nyan. Verified Max98090 can beep. Measured frequency by smartphone.
BRANCH=none
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Change-Id: Ie3ff6df6759cb23d78dc05069553ddb4eb8e508a
Original-Reviewed-on: https://chromium-review.googlesource.com/191791
Original-Reviewed-by: Hung-Te Lin <hungte@chromium.org>

(cherry picked from commit 2f75a147f26ac334fff174a1f9618a2bbe290fe9)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: If8c7871dc8202f98ccf23fb0afad1e7745fbf174
Reviewed-on: http://review.coreboot.org/7457
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
1 file changed