Adds a register to the config space for the 460sx. Changes the vc0
detect to a pll detect. maps configuration space to test the link
status. changes the setup to enable gen2 devices to operate at gen2
speeds. fixes mapping that was not correct for the 460sx. added
bit definitions for the OMRxMSKL registers. Removed reserved bit
that was set incorrectly in the OMR2MSKL register.
tested on the 460sx eiger and custom board
Signed-off-by: Ayman El-Khashab <ayman@elkhashab.com>
Signed-off-by: Josh Boyer <jwboyer@gmail.com>
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