Scott Shawcroft 644d2ba7a2 Add more "extern" declarations for gcc10 compat ...

gcc has tightened the restrictions on forward declarations that lack
"extern".  Fix them up.

2020-08-21 14:39:37 -05:00

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mimxrt10xx

Add more "extern" declarations for gcc10 compat

2020-08-21 14:39:37 -05:00