Updated NuttX submodule to upstream 7.21+ ==upstream

Bugfix for random SD card failures on px4fmu-v5 (STM32F7)

    Update to upstream with PX4 contrib for STM32F7 DMA preflight
    on SDMMC (SDIO) and DMA add dcache alignment check in
    stm32_dmacapable when needed: The case were dcache is in
    write-buffed mode.
This commit is contained in:
David Sidrane 2017-08-17 11:26:03 -10:00 committed by Daniel Agar
parent 306f3c5331
commit 8e1e67d8af

2
NuttX

@ -1 +1 @@
Subproject commit be09e42aef51c68605887a6df8c7f2fd532a2ffc
Subproject commit 5c741d2cd328933f943277539c1ed7ab4382ed64