t210: pinmux: Remove pinmux/GPIO init from T210 boards

T210 CBoot is now doing the full pinmux and GPIO init, based on the DTB
tables. Remove pinmux/GPIO init tables & code from all T210-based builds
below:

p2371-2180 aka TX1
p2371-0000
e2220-1170
p2571

Signed-off-by: Tom Warren <twarren@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/mach-tegra/tegra210/Makefile b/arch/arm/mach-tegra/tegra210/Makefile
index b6012fc..cfcba5b 100644
--- a/arch/arm/mach-tegra/tegra210/Makefile
+++ b/arch/arm/mach-tegra/tegra210/Makefile
@@ -1,5 +1,5 @@
 #
-# (C) Copyright 2013-2015
+# (C) Copyright 2013-2020
 # NVIDIA Corporation <www.nvidia.com>
 #
 # SPDX-License-Identifier:     GPL-2.0+
@@ -7,6 +7,5 @@
 
 obj-y	+= clock.o
 obj-y	+= funcmux.o
-obj-y	+= pinmux.o
 obj-y	+= xusb-padctl.o
 obj-y	+= ../xusb-padctl-common.o