soc/amd/phoenix: drop defines for non-existing eMMC controller

Phoenix doesn't have an eMMC controller, so remove the remaining eMMC-
related defines.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I412c968479d23deb7f2e060b26b4a56ec9c764f2
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74661
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>

0 files changed, 0 insertions, 0 deletions