Disable LDPC in sta mode when AP is TXBF capable

In STA mode when both LDPC and TXBF are enabled, throughput is
not stable.As a workaround, till root cause is identified disable
LDPC when AP is TXBF capable.

Change-Id: I3e04aa0c580624cc0b182d464fd08bb70ee423da
CRs-fixed: 451252
(cherry picked from commit b1f7d3433bb28a864d3cc868b561d8333165f4e8)
11 files changed
tree: 84e4c46113615d2ae6933fd76b415d75f5c922f9
  1. CORE/
  2. firmware_bin/
  3. pronto/
  4. riva/
  5. Android.mk
  6. Kbuild
  7. Kconfig