incompatible redefinition of macro "UNITY_INCLUDE_CONFIG_H"

[maclobdell]

from a fresh import of this example
release tag mbed-os-5.1.2

there are hundreds of warnings for:

[Warning] mbed_config.h@29,0: #47-D: incompatible redefinition of macro "UNITY_INCLUDE_CONFIG_H" (declared at line 28)

in mbed_config.h, multiple defines are generated for this macro.

// Macros

define UNITY_INCLUDE_CONFIG_H None // defined by library:utest

define UNITY_INCLUDE_CONFIG_H // defined by library:utest

[yogpan01]

@c1728p9 @0xc0170 Can you please check this ? There are no changes in example code, only change happened is new mbed-os version

[ciarmcom]

ARM Internal Ref: IOTCLT-962

[sg-]

@maclobdell Please file this against mbed-os thx!!