amd/pi/hudson: Consolidate BITn definitions

Remove unused definitions from a .c file and use the BIT(n) macro
found in types.h instead.  Convert existing definitions to BIT(n).

Orignial-Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Original-Reviewed-by: Marc Jones <marcj303@gmail.com>
(cherry picked from commit f403d12b49985ee9d9b339a6659b60ef1560519c)

Change-Id: I24105bf75263236dbdbc2666f03033069d1d36d2
Signed-off-by: Marc Jones <marcj303@gmail.com>
Reviewed-on: https://review.coreboot.org/18440
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2 files changed