drm/amdgpu/fru: fix header guard and include header

Fix the fru eeprom header guard and include it in the .c file.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c

@@ -26,6 +26,7 @@
 #include "amdgpu_i2c.h"
 #include "smu_v11_0_i2c.h"
 #include "atom.h"
+#include "amdgpu_fru_eeprom.h"
 
 #define I2C_PRODUCT_INFO_ADDR		0xAC
 #define I2C_PRODUCT_INFO_ADDR_SIZE	0x2

drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.h

@@ -21,8 +21,8 @@
  *
  */
 
-#ifndef __AMDGPU_PRODINFO_H__
-#define __AMDGPU_PRODINFO_H__
+#ifndef __AMDGPU_FRU_EEPROM_H__
+#define __AMDGPU_FRU_EEPROM_H__
 
 int amdgpu_fru_get_product_info(struct amdgpu_device *adev);