MYNEWT-83: use fixed buffer for reception. Get native arch building
MYNEWT-83: use fixed buffer for reception. Get native arch building

X-Original-Commit: 7c8cca9f88ebf86717b2941c4484065ffb2a2438

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