mtd: rawnand: qcom: Add qcom prefix to common api

Add qcom prefix to all the api which will be commonly
used by spi nand driver and raw nand driver.

Reviewed-by: Konrad Dybcio <[email protected]>
Signed-off-by: Md Sadre Alam <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>

Author: Md Sadre Alam