ata: ahci: Rename CONFIG_SATA_LPM_MOBILE_POLICY configuration item

`CONFIG_SATA_LPM_MOBILE_POLICY` reflects a configuration to apply only to
mobile chipsets.  As some desktop boards may want to use this policy by
default as well, rename the configuration item to `SATA_LPM_POLICY`.

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>

drivers/ata/Kconfig

@@ -115,14 +115,14 @@ config SATA_AHCI
 
 	  If unsure, say N.
 
-config SATA_MOBILE_LPM_POLICY
-	int "Default SATA Link Power Management policy for mobile chipsets"
+config SATA_LPM_POLICY
+	int "Default SATA Link Power Management policy for low power chipsets"
 	range 0 4
 	default 0
 	depends on SATA_AHCI
 	help
 	  Select the Default SATA Link Power Management (LPM) policy to use
-	  for mobile / laptop variants of chipsets / "South Bridges".
+	  for chipsets / "South Bridges" designated as supporting low power.
 
 	  The value set has the following meanings:
 		0 => Keep firmware settings

drivers/ata/ahci.c

@@ -1595,7 +1595,7 @@ static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
 static void ahci_update_initial_lpm_policy(struct ata_port *ap,
 					   struct ahci_host_priv *hpriv)
 {
-	int policy = CONFIG_SATA_MOBILE_LPM_POLICY;
+	int policy = CONFIG_SATA_LPM_POLICY;
 
 
 	/* Ignore processing for chipsets that don't use policy */

drivers/ata/ahci.h

@@ -236,7 +236,7 @@ enum {
 	AHCI_HFLAG_NO_WRITE_TO_RO	= (1 << 24), /* don't write to read
 							only registers */
 	AHCI_HFLAG_USE_LPM_POLICY	= (1 << 25), /* chipset that should use
-							SATA_MOBILE_LPM_POLICY
+							SATA_LPM_POLICY
 							as default lpm_policy */
 	AHCI_HFLAG_SUSPEND_PHYS		= (1 << 26), /* handle PHYs during
 							suspend/resume */