qcacld-3.0: Refactor two INI about channel bonding

Based on new cfg framework, refactor below WNI/INI:
 - CFG_CHANNEL_BONDING_MODE_24GHZ_NAME
 - CFG_CHANNEL_BONDING_MODE_5GHZ_NAME

Change-Id: Ia18fd79738a8079c41df557934335e54c8016e43
CRs-Fixed: 2381831
12 files changed