xbmc: update to xbmc-14-501ad2d

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libdrm: update to libdrm-2.4.58

Signed-off-by: Stephan Raue <stephan@openelec.tv>
hdparm: update to hdparm-9.45

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