[SPLASH][PLYMOUTH] Set I2C driver as built-in to splash in initramfs
The HDMI device tree node is dependent on the I2C to correctly being probed. In initramfs, without this commit, the HDMI is only partially probed and after some seconds it's deferred and cannot show the splash-screen.
JIRA Reference: [CLEAOS-622]
Signed-off-by: Nicola Sparnacci nicola.sparnacci@seco.com