linux-phytec-ti

ti_config_fragments/connectivity.cfg: Add configs to enable SERDES, MSI and Keystone PCI EP

Add configs to enable SERDES, MSI and Keystone PCI EP.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>