remove old as21xxx driver and update Makefile pointing to updated driver

Author: rmandrad

drivers/net/phy/Makefile

@@ -33,7 +33,7 @@ obj-$(CONFIG_AIR_EN8811H_PHY)   += air_en8811h.o
 obj-$(CONFIG_AMD_PHY)		+= amd.o
 obj-$(CONFIG_AMCC_QT2025_PHY)	+= qt2025.o
 obj-$(CONFIG_AQUANTIA_PHY)	+= aquantia/
-obj-$(CONFIG_AS21XXX_PHY)	+= as21xxx.o
+obj-$(CONFIG_AS21XXX_PHY)	+= as21xxx/
 ifdef CONFIG_AX88796B_RUST_PHY
   obj-$(CONFIG_AX88796B_PHY)	+= ax88796b_rust.o
 else

drivers/net/phy/as21xxx.h

@@ -0,0 +1,11 @@
+config AS21XXX_PHY
+	tristate "Aeonsemi AS21xxx PHYs"
+	help
+	  Currently supports the Aeonsemi AS21xxx PHY.
+
+	  These are C45 PHYs 10G that require all a generic firmware.
+
+	  Supported PHYs AS21011JB1, AS21011PB1, AS21010JB1, AS21010PB1,
+	  AS21511JB1, AS21511PB1, AS21510JB1, AS21510PB1, AS21210JB1,
+	  AS21210PB1, AN8831X that all register with the PHY ID 0x7500
+	  0x7500 before the firmware is loaded.

drivers/net/phy/as21xxx/Kconfig

@@ -0,0 +1,5 @@
+#
+# Makefile for Aeonsemi AS21XXX 10G PHY
+#
+obj-$(CONFIG_AS21XXX_PHY) += aeon_as21xxx.o
+aeon_as21xxx-objs	:= as21xxx.o as21xx_bbu_api/as21xx_debugfs.o as21xx_bbu_api/as21xx_api.o