[Buildroot] [PATCH] docs/manual: clarify the <PKG>_PATCH_DEPENDENCIES guarantee

[Peter Korsgaard]

>>>>> "Baruch" == Baruch Siach <baruch at tkos.co.il> writes:

 > Unlike <PKG>_DEPENDENCIES, <PKG>_PATCH_DEPENDENCIES only guarantees
 > extract and patch of listed dependencies, not build. Make this subtlety
 > more explicit in the documentation.

 > Cc: Thomas De Schampheleire <thomas.de_schampheleire at nokia.com>
 > Signed-off-by: Baruch Siach <baruch at tkos.co.il>

Committed to 2019.02.x and 2019.11.x, thanks.

-- 
Bye, Peter Korsgaard