Tegra: public interfaces to get the chip's major/minor versions

This patch opens up the interfaces to read the chip's major/minor versions
for all Tegra drivers to use.
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

plat/nvidia/tegra/common/tegra_platform.c

@@ -82,7 +82,7 @@ static uint32_t tegra_get_chipid(void)
 /*
  * Read the chip's major version from chip ID value
  */
-static uint32_t tegra_get_chipid_major(void)
+uint32_t tegra_get_chipid_major(void)
 {
 	return (tegra_get_chipid() >> MAJOR_VERSION_SHIFT) & MAJOR_VERSION_MASK;
 }
@@ -90,7 +90,7 @@ static uint32_t tegra_get_chipid_major(void)
 /*
  * Read the chip's minor version from the chip ID value
  */
-static uint32_t tegra_get_chipid_minor(void)
+uint32_t tegra_get_chipid_minor(void)
 {
 	return (tegra_get_chipid() >> MINOR_VERSION_SHIFT) & MINOR_VERSION_MASK;
 }

plat/nvidia/tegra/include/tegra_platform.h

@@ -33,6 +33,12 @@
 
 #include <sys/cdefs.h>
 
+/*
+ * Tegra chip major/minor version
+ */
+uint32_t tegra_get_chipid_major(void);
+uint32_t tegra_get_chipid_minor(void);
+
 /*
  * Tegra chip identifiers
  */