sf: Add M25PX64 SPI NOR flash ID

Add ID for this Numonix / STMicro chip.

Tested on Marvell DB-78460-BP board.

Signed-off-by: Stefan Roese <sr@denx.de>
Tested-by: Luka Perkov <luka@openwrt.org>
Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
1 file changed