cpu/intel: Use unsigned types in `get_cpu_count()`

Change-Id: Id95e45a3eba384a61c02016b7663ec71c3ae1865
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58917
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/cpu/intel/haswell/haswell_init.c

@@ -588,8 +588,8 @@ static void pre_mp_init(void)
 static int get_cpu_count(void)
 {
 	msr_t msr;
-	int num_threads;
-	int num_cores;
+	unsigned int num_threads;
+	unsigned int num_cores;
 
 	msr = rdmsr(MSR_CORE_THREAD_COUNT);
 	num_threads = (msr.lo >> 0) & 0xffff;

src/cpu/intel/model_1067x/mp_init.c

@@ -23,7 +23,7 @@ static void pre_mp_init(void)
 static int get_cpu_count(void)
 {
 	const struct cpuid_result cpuid1 = cpuid(1);
-	const char cores = (cpuid1.ebx >> 16) & 0xf;
+	const unsigned int cores = (cpuid1.ebx >> 16) & 0xf;
 
 	printk(BIOS_DEBUG, "CPU has %u cores.\n", cores);
 

src/cpu/intel/model_2065x/model_2065x_init.c

@@ -124,8 +124,8 @@ static void pre_mp_init(void)
 static int get_cpu_count(void)
 {
 	msr_t msr;
-	int num_threads;
-	int num_cores;
+	unsigned int num_threads;
+	unsigned int num_cores;
 
 	msr = rdmsr(MSR_CORE_THREAD_COUNT);
 	num_threads = (msr.lo >> 0) & 0xffff;

src/cpu/intel/model_206ax/model_206ax_init.c

@@ -380,8 +380,8 @@ static void pre_mp_init(void)
 static int get_cpu_count(void)
 {
 	msr_t msr;
-	int num_threads;
-	int num_cores;
+	unsigned int num_threads;
+	unsigned int num_cores;
 
 	msr = rdmsr(MSR_CORE_THREAD_COUNT);
 	num_threads = (msr.lo >> 0) & 0xffff;