arm/debug: consolidate addruart macros for CONFIG_DEBUG_ICEDCC
arm/debug: consolidate addruart macros for CONFIG_DEBUG_ICEDCC

We have the same (empty) macro for all IDEDCC flavours, so consolidate
it to one.

Signed-off-by: Jeremy Kerr <ed2ecf6f990cdec851e11d5bf34a3b771a0783cf@canonical.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas