kernel: rtl8261n: fix kernel module name

Replace rtl8621n -> rtl8261n.

Signed-off-by: Kenneth Kasilag <kenneth@kasilag.me>
Link: openwrt#20429
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

Author: hurrian

target/linux/generic/files/drivers/net/phy/rtl8261n/Makefile

@@ -1,11 +1,11 @@
 
-obj-$(CONFIG_RTL8261N_PHY) += rtl8621n.o
+obj-$(CONFIG_RTL8261N_PHY) += rtl8261n.o
 
-rtl8621n-objs += phy_patch.o
-rtl8621n-objs += phy_rtl826xb_patch.o
-rtl8621n-objs += rtk_osal.o
-rtl8621n-objs += rtk_phy.o
-rtl8621n-objs += rtk_phylib.o
-rtl8621n-objs += rtk_phylib_rtl826xb.o
+rtl8261n-objs += phy_patch.o
+rtl8261n-objs += phy_rtl826xb_patch.o
+rtl8261n-objs += rtk_osal.o
+rtl8261n-objs += rtk_phy.o
+rtl8261n-objs += rtk_phylib.o
+rtl8261n-objs += rtk_phylib_rtl826xb.o
 
 ccflags-y += -Werror -DRTK_PHYDRV_IN_LINUX