include/hw/sd.h: Move definitions to hw/android/goldfish/mmc.c

These declarations come from the Linux kernel header of the same
name, and QEMU upstream uses include/hw/sd.h to hold completely
different content that is not needed by the Android emulator at
this point.

Change-Id: I01d2e7f927108254e8699b929860c58d8392535d
2 files changed