
Currently handling of kernel_append_params is very inconsistent. This change applies a straightforward process: 1. instance_info[kernel_append_params] 2. driver_info[kernel_append_params] 3. [pxe]kernel_append_params (renamed from pxe_append_params). Also adds a helper for subsequent fixes in other drivers. Change-Id: I79bcf4d8ef1f0f55a82e0991dd5bb1685b3f7957 Story: #2008902 Task: #42469