net: phy: at803x: fix Kconfig description

The name of the PHY is actually AR803x not AT803x. Additionally, add the
name of the vendor and mention the AR8031 support.

Signed-off-by: Michael Walle <[e-mail]>
Reviewed-by: Florian Fainelli <[e-mail]>
Reviewed-by: Andrew Lunn <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/phy/Kconfig

···
 	  Currently supports the Asix Electronics PHY found in the X-Surf 100
 	  AX88796B package.
 
-config AT803X_PHY
-	tristate "AT803X PHYs"
-	---help---
-	  Currently supports the AT8030 and AT8035 model
-
 config BCM63XX_PHY
 	tristate "Broadcom 63xx SOCs internal PHY"
 	depends on BCM63XX || COMPILE_TEST
···
 	depends on HWMON
 	---help---
 	  Currently supports the NXP TJA1100 and TJA1101 PHY.
+
+config AT803X_PHY
+	tristate "Qualcomm Atheros AR803X PHYs"
+	help
+	  Currently supports the AR8030, AR8031 and AR8035 model
 
 config QSEMI_PHY
 	tristate "Quality Semiconductor PHYs"