ath10k: Fix compilation error due to downstream QMI implementation

struct qmi_elem_info members in downstream kernel are
not in sync with upstream implementation.
Fix this to avoid compilation errors.

Change-Id: I57a50377e9333044ed2e302dbb8a7e0cc1167a5f
Signed-off-by: Govind Singh <govinds@codeaurora.org>