add ACCEL_MOUNT_MATRIX for IdeaPad Miix510-12ISK
multiple match expressions for Miix510 series
extend comments for miix510 series
Signed-off-by: Bruce Zhang <zttt183525594@gmail.com>
add device hwdb for IdeaPad Miix510-12ISK
Signed-off-by: Bruce Zhang <zttt183525594@gmail.com>