The 10.x and main firmware branches have
conflicting WMI service bitmap definitions.

This also fixes WMI services parsing on big-endian
hosts and changes debugfs output to be more human
friendly.

kvalo: remove braces and the last semicolon from SVCSTR()
Signed-off-by: NMichal Kazior <michal.kazior@tieto.com>
Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com>