nimble/phy: Ugly hack for TX/RX transition timing
nimble/phy: Ugly hack for TX/RX transition timing

Calculated RX time after TX/RX transition seems to be too short for
Coded PHY - not sure why, but adding extra 32us solves the problem.

This is temporary fix until we figure out what is really wrong.

X-Original-Commit: 5a8f5168d264bf8c9e12eb4a2848cc85c1a5e6ea

apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble