Linux: Revert 47f467ac740ebf0475a5176ddb1741acba6aad4e - it causes pixelation for USB tuners
plymouth-lite: remove old splash files

Signed-off-by: Stephan Raue <stephan@openelec.tv>
plymouth-lite: update splash, thanks to 'klojum'

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libdrm: update to libdrm-2.4.54

Signed-off-by: Stephan Raue <stephan@openelec.tv>