Bug fix of HE operation IE parsing for 6GHz AP

Previous implementation of 6GHz operation IE parsing has a pointer arithmetic related bug in wpa_supplicant. This results in incorrect channel BW when associating with 11ax AP at 6GHz band.

Bug: 157784502
Test: manual test with wifi6e ap operating at 160MHz.
Change-Id: I15fafd91ec461e1993eb3b7e8eab847275b21599
1 file changed