soc/tegra: fuse: Add stubs needed for compile testing

Add stubs needed for compile-testing of tegra-cpuidle driver.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

include/soc/tegra/fuse.h

@@ -6,6 +6,8 @@
 #ifndef __SOC_TEGRA_FUSE_H__
 #define __SOC_TEGRA_FUSE_H__
 
+#include <linux/types.h>
+
 #define TEGRA20		0x20
 #define TEGRA30		0x30
 #define TEGRA114	0x35
@@ -22,11 +24,6 @@
 
 #ifndef __ASSEMBLY__
 
-u32 tegra_read_chipid(void);
-u8 tegra_get_chip_id(void);
-u8 tegra_get_platform(void);
-bool tegra_is_silicon(void);
-
 enum tegra_revision {
 	TEGRA_REVISION_UNKNOWN = 0,
 	TEGRA_REVISION_A01,
@@ -57,6 +54,10 @@ extern struct tegra_sku_info tegra_sku_info;
 u32 tegra_read_straps(void);
 u32 tegra_read_ram_code(void);
 int tegra_fuse_readl(unsigned long offset, u32 *value);
+u32 tegra_read_chipid(void);
+u8 tegra_get_chip_id(void);
+u8 tegra_get_platform(void);
+bool tegra_is_silicon(void);
 #else
 static struct tegra_sku_info tegra_sku_info __maybe_unused;
 
@@ -74,6 +75,26 @@ static inline int tegra_fuse_readl(unsigned long offset, u32 *value)
 {
 	return -ENODEV;
 }
+
+static inline u32 tegra_read_chipid(void)
+{
+	return 0;
+}
+
+static inline u8 tegra_get_chip_id(void)
+{
+	return 0;
+}
+
+static inline u8 tegra_get_platform(void)
+{
+	return 0;
+}
+
+static inline bool tegra_is_silicon(void)
+{
+	return false;
+}
 #endif
 
 struct device *tegra_soc_device_register(void);