tree b2e043e58183ee886ecce1992761b670c79e06f3
parent 3ec81d758c09d6887a77a1b1259d044a2905bc8e
author Macpaul Lin <macpaul@gmail.com> 1342324453 +0800
committer Macpaul Lin <macpaul@gmail.com> 1342799752 +0800

nds32: split common cache access from cpu into lib

This commit does the following updates.
1. Split the common cache access from cpu.c into lib folder.
2. Rename the following cache api to adapt common.h
 - dcache_flush_rang -> flush_dcache_rang
 - icache_inval_range -> invalidate_icache_range
3. Add invalidate_dcache_range

Signed-off-by: Macpaul Lin <macpaul@gmail.com>