Extend the support of the CN9131 with yet another additional CP115.

The last number indicates how many external CP115 are used.

New available interfaces:
* CP2 CRYPTO-0 (disabled)
* CP2 ETH-0 (SFI, problem with the SFP cage, disabled)
* CP2 GPIO-1
* CP2 GPIO-2
* CP2 I2C-0
* CP2 PCIe-0 x2
* CP2 PCIe-2 x1 (disabled)
* CP2 SDHCI-0
* CP2 USB3-1 (High-speed)
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>