mtd: nand: Add qpic_common API file

Add qpic_common.c file which hold all the common
qpic APIs which will be used by both qpic raw nand
driver and qpic spi nand driver.

Signed-off-by: Md Sadre Alam <quic_mdalam@quicinc.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

Author: Md Sadre Alam

drivers/mtd/nand/Makefile

@@ -3,7 +3,7 @@
 nandcore-objs := core.o bbt.o
 obj-$(CONFIG_MTD_NAND_CORE) += nandcore.o
 obj-$(CONFIG_MTD_NAND_ECC_MEDIATEK) += ecc-mtk.o
-
+obj-$(CONFIG_MTD_NAND_QCOM) += qpic_common.o
 obj-y	+= onenand/
 obj-y	+= raw/
 obj-y	+= spi/