d2-common: update perms

/dev/rtc0 to 0660
add perms for wcnss for the stepchildren

Change-Id: Ic73a473c2086ee531ace5a54f9fe0a85c1a8523c
d2-common: turn off continuous mode for touch

Change-Id: I4e552a1a43bdd282e2066f2f5e5d0e9e27048b83