MT25QU01 OPN with 4B OPCODE support is currently not supported in
source code and the driver reuses the definition for "n25q00a"
which has the same silicon ID but is a slower part.
Adding mt25u01g definition to the source code to support a faster
read response for MT25QU01 QSPI NOR Flash device.
Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
[jagan: fix the id position and commit head]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>