northbridge/amd/amdfam10/conf.c: Remove extraneous parentheses

Remove extraneous parentheses around the comparison. Fix some
style while here.

Found-by: Clang
Change-Id: I882729b8fa9f32a3bb9b1524d4d8829cbb226b7d
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/7445
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
cpu/amd/model_10xxx/processor_name.c: Duplicate 'const' specifier

Remove duplicate 'const' declaration specifier.

Change-Id: I27802ce9a8fe799e9187644ebd1fa5924d5e512b
Found-by: Clang
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/7446
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>