util/amdfwtool: fix clang warnings

Various fixes for clang warnings:

warning: arithmetic on a pointer to void is a GNU extension
- change *rom from void* to char* and cast back to void* as needed

warning: implicit conversion changes signedness
- In ALIGN macro, pass in value as unsigned

warning: no previous prototype for function
- Change functions to static

warning: no previous extern declaration for non-static variable
- Change global variables to static

warning: comparison of integers of different signs
- Make loop variable 'i' unsigned

warning: variable 'output' may be uninitialized
- Make sure an output filename was specified

warning: implicit conversion loses integer precision
- cast fd_stat.st_size to the appropriate type

Change-Id: I0134a79c00938e121e63b52fd63bd502f4cb9e99
Signed-off-by: Martin Roth <martinroth@chromium.org>
Reviewed-on: https://review.coreboot.org/17322
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>

0 files changed, 0 insertions, 0 deletions