ARM: dts: Enable various peripherals on bcm958305k

This patch enables various peripherals on Broadcom Cygnus wireless audio
board (bcm958305k). These peripherals include I2C, PCIe, and NAND

Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>