[DM][MTD] Add common MTD drivers

1. CFI-Nor flash DM driver.
2. SPI-Nor flash DM driver.

Signed-off-by: GuEe-GUI <2991707448@qq.com>

components/drivers/mtd/SConscript

@@ -15,6 +15,12 @@ if GetDepend(['RT_USING_MTD_NAND']):
     src += ['mtd_nand.c']
     depend += ['RT_USING_MTD_NAND']
 
+if GetDepend(['RT_USING_MTD_NOR_CFI']):
+    src += ['mtd-cfi.c']
+
+if GetDepend(['RT_USING_MTD_NOR_SPI']):
+    src += ['mtd-spi-nor.c']
+
 if src:
     group = DefineGroup('DeviceDrivers', src, depend = depend, CPPPATH = CPPPATH)