iwlwifi: don't export acpi functions unnecessarily

A couple of functions were exported from the acpi.c file
unnecessarily, since they are only used internally in that file.  Make
them static.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200926002540.6449efabcb8b.I030fa71253260f34b588951d78170551b633c046@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/fw/acpi.c

@@ -118,8 +118,8 @@ IWL_EXPORT_SYMBOL(iwl_acpi_get_object);
 * method (DSM) interface. The returned acpi object must be freed by calling
 * function.
 */
-void *iwl_acpi_get_dsm_object(struct device *dev, int rev, int func,
-			      union acpi_object *args)
+static void *iwl_acpi_get_dsm_object(struct device *dev, int rev, int func,
+				     union acpi_object *args)
 {
 	union acpi_object *obj;
 
@@ -400,9 +400,9 @@ int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk)
 }
 IWL_EXPORT_SYMBOL(iwl_acpi_get_eckv);
 
-int iwl_sar_set_profile(union acpi_object *table,
-			struct iwl_sar_profile *profile,
-			bool enabled)
+static int iwl_sar_set_profile(union acpi_object *table,
+			       struct iwl_sar_profile *profile,
+			       bool enabled)
 {
 	int i;
 
@@ -418,7 +418,6 @@ int iwl_sar_set_profile(union acpi_object *table,
 
 	return 0;
 }
-IWL_EXPORT_SYMBOL(iwl_sar_set_profile);
 
 int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
 			   __le16 per_chain_restriction[][IWL_NUM_SUB_BANDS],

drivers/net/wireless/intel/iwlwifi/fw/acpi.h

@@ -153,9 +153,6 @@ struct iwl_fw_runtime;
 
 void *iwl_acpi_get_object(struct device *dev, acpi_string method);
 
-void *iwl_acpi_get_dsm_object(struct device *dev, int rev, int func,
-			      union acpi_object *args);
-
 int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func);
 
 union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
@@ -185,10 +182,6 @@ u64 iwl_acpi_get_pwr_limit(struct device *dev);
  */
 int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk);
 
-int iwl_sar_set_profile(union acpi_object *table,
-			struct iwl_sar_profile *profile,
-			bool enabled);
-
 int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
 			   __le16 per_chain_restriction[][IWL_NUM_SUB_BANDS],
 			   int prof_a, int prof_b);