amd/cimx/sb?00/SATA.c: Integer overflow in loop condition

The conditional comparison in the for-loop construct with the constant
300000 has an index incrementor of type 'UINT16' (aka 'unsigned short')
which is always true.

Change-Id: I932c168742163be4038728fb40833231a447fa78
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5799
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
vendorcode/amd/agesa: unsigned enum is strictly positive

The typedef'ed BIT_FIELD_NAME enum is type unsigned. The parameter
'FieldName' is decleared with type BIT_FIELD_NAME and thus the redudant
comparison of unsigned enum expression >= 0 is always true.

BIT_FIELD_NAME is declared in vendorcode/amd/agesa/f14/Proc/Mem/mm.h

Change-Id: Id2f03596c44b68e861e939f3528256d4b08c45ce
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5757
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>