soc/intel/broadwell: Inline CPUID helpers

These functions are small and used in various stages. Inline them.

Change-Id: I0d15012f264dbb0ae2eff8210f79176b350b6e7f
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46707
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/broadwell/cpu_info.c

@@ -5,16 +5,6 @@
 #include <soc/msr.h>
 #include <soc/systemagent.h>
 
-u32 cpu_family_model(void)
-{
-	return cpuid_eax(1) & 0x0fff0ff0;
-}
-
-u32 cpu_stepping(void)
-{
-	return cpuid_eax(1) & 0xf;
-}
-
 /* Dynamically determine if the part is ULT. */
 int cpu_is_ult(void)
 {

src/soc/intel/broadwell/include/soc/cpu.h

@@ -3,7 +3,9 @@
 #ifndef _BROADWELL_CPU_H_
 #define _BROADWELL_CPU_H_
 
+#include <arch/cpu.h>
 #include <device/device.h>
+#include <stdint.h>
 
 /* CPU types */
 #define HASWELL_FAMILY_ULT	0x40650
@@ -42,8 +44,16 @@ void set_power_limits(u8 power_limit_1_time);
 int cpu_config_tdp_levels(void);
 
 /* CPU identification */
-u32 cpu_family_model(void);
-u32 cpu_stepping(void);
+static inline u32 cpu_family_model(void)
+{
+	return cpuid_eax(1) & 0x0fff0ff0;
+}
+
+static inline u32 cpu_stepping(void)
+{
+	return cpuid_eax(1) & 0xf;
+}
+
 int cpu_is_ult(void);
 
 #endif

src/soc/intel/broadwell/romstage/cpu.c

@@ -7,11 +7,6 @@
 #include <soc/msr.h>
 #include <soc/romstage.h>
 
-u32 cpu_family_model(void)
-{
-	return cpuid_eax(1) & 0x0fff0ff0;
-}
-
 void set_max_freq(void)
 {
 	msr_t msr, perf_ctl, platform_info;