wlan: VHT rate specific to pronto

'HAL_PHY_RATE_VHT_20MHZ_MCS_1NSS_NGI_86_5_MBPS' rate is
supported only on Pronto.So moved the code refering to this
rate under PRONTO conditional compilation flag.

Change-Id: Ic467a90346cce00d4d023d843a811b2e32b7dbb7
CRs-Fixed: 616637
1 file changed
tree: 8267b898a13b3c6c9d44b67ee52a43d3a0ac63c3
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Android.mk
  5. Kbuild
  6. Kconfig