Fix cosmetic typo in header file idempotence.  Note by Lazlo
NSH TFTP get command:  Wrong file name used for the destination.  From Lazlo
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M25P serial flash driver:  Add subsector size of the M24P16 part.  From Lazlo
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strncpy: Commit d0c76ccacf0dc8988f9617ad82bf4349f456bb08 will trash a lot of memory if n == 0.  From Hiro
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Tiva I2C:  Fix error in assertion logic
Tiva I2C: Minor clean-up to I2C tracing
Tiva I2C:  Add register-level debug capability
Tiva I2C:  All SDA pins should be open drain, but all SCL pins should be digital output
Tiva I2C: Fix how I2C transactions are started and some I2C error reporting
Cosmetic change to force compliance with coding standard
STM32 OTGHS Device: Fix for OTGHS core working in FS mode.  From Ken Pettit
sscanf:  Accept %X as well as %x as a format specifier.  From Sébastien Lorquet
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sscanf should also support %F
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Tiva I2C: Add logic to reset I2C when busy hangs with busy
Tiva I2C: Legacy mode reset logic ommitted in last commit