[coreboot] New Defects reported by Coverity Scan for coreboot

Hi,

Please find the latest report on new defect(s) introduced to coreboot found with Coverity Scan.

1 new defect(s) introduced to coreboot found with Coverity Scan.

New defect(s) Reported-by: Coverity Scan
Showing 1 of 1 defect(s)

** CID 1490493:    (OVERFLOW_BEFORE_WIDEN)
/src/soc/intel/baytrail/northcluster.c: 85 in nc_read_resources()
/src/soc/intel/baytrail/northcluster.c: 84 in nc_read_resources()

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*** CID 1490493:    (OVERFLOW_BEFORE_WIDEN)
/src/soc/intel/baytrail/northcluster.c: 85 in nc_read_resources()
79     	/* 0 -> 0xa0000 */
80     	ram_from_to(dev, index++, 0, 0xa0000);
81     
82     	/* The SMMRR registers are 1MiB granularity with smmrrh being
83     	 * inclusive of the SMM region. */
84     	smmrrl = (iosf_bunit_read(BUNIT_SMRRL) & 0xffff) * MiB;
> > > CID 1490493:    (OVERFLOW_BEFORE_WIDEN)
> > > Potentially overflowing expression "((iosf_bunit_read(47) & 0xffffU) + 1U) * 1048576U" with type "unsigned int" (32 bits, unsigned) is evaluated using 32-bit arithmetic, and then used in a context that expects an expression of type "uint64_t" (64 bits, unsigned).

85     	smmrrh = ((iosf_bunit_read(BUNIT_SMRRH) & 0xffff) + 1) * MiB;
86     
87     	/* 0xc0000 -> smrrl - cacheable and usable */
88     	ram_from_to(dev, index++, 0xc0000, smmrrl);
89     
90     	if (smmrrh > smmrrl)
/src/soc/intel/baytrail/northcluster.c: 84 in nc_read_resources()
78     
79     	/* 0 -> 0xa0000 */
80     	ram_from_to(dev, index++, 0, 0xa0000);
81     
82     	/* The SMMRR registers are 1MiB granularity with smmrrh being
83     	 * inclusive of the SMM region. */
> > > CID 1490493:    (OVERFLOW_BEFORE_WIDEN)
> > > Potentially overflowing expression "(iosf_bunit_read(46) & 0xffffU) * 1048576U" with type "unsigned int" (32 bits, unsigned) is evaluated using 32-bit arithmetic, and then used in a context that expects an expression of type "uint64_t" (64 bits, unsigned).

84     	smmrrl = (iosf_bunit_read(BUNIT_SMRRL) & 0xffff) * MiB;
85     	smmrrh = ((iosf_bunit_read(BUNIT_SMRRH) & 0xffff) + 1) * MiB;
86     
87     	/* 0xc0000 -> smrrl - cacheable and usable */
88     	ram_from_to(dev, index++, 0xc0000, smmrrl);
89

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