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>

src/soc/amd/phoenix/include/soc/aoac_defs.h

@@ -18,6 +18,5 @@
 #define FCH_AOAC_DEV_UART4		20
 #define FCH_AOAC_DEV_UART3		26
 #define FCH_AOAC_DEV_ESPI		27
-#define FCH_AOAC_DEV_EMMC		28
 
 #endif /* AMD_PHOENIX_AOAC_DEFS_H */

src/soc/amd/phoenix/include/soc/iomap.h

@@ -34,9 +34,6 @@
 #define APU_DMAC4_BASE			0xfedd0000
 #define APU_UART4_BASE			0xfedd1000
 
-#define APU_EMMC_BASE			0xfedd5000
-#define APU_EMMC_CONFIG_BASE		0xfedd5800
-
 #endif /* ENV_X86 */
 
 #define FLASH_BASE_ADDR			((0xffffffff - CONFIG_ROM_SIZE) + 1)