tegra20: Remove armv4t build flags

These flags were necessary when building tegra20 as a single binary
that supported ARM7TDMI and Cortex A9.  Now that the ARM7TDMI support
is split into a separate SPL, this is no longer necessary.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Tom Warren <twarren@nvidia.com>

arch/arm/cpu/armv7/tegra20/config.mk

@@ -23,16 +23,4 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 # MA 02111-1307 USA
 #
-
-# Tegra has an ARMv4T CPU which runs board_init_f(), so we must build these
-# files with compatible flags
-ifdef CONFIG_TEGRA20
-CFLAGS_arch/arm/lib/board.o += -march=armv4t
-CFLAGS_arch/arm/lib/memset.o += -march=armv4t
-CFLAGS_lib/string.o += -march=armv4t
-CFLAGS_common/cmd_nvedit.o += -march=armv4t
-endif
-
-USE_PRIVATE_LIBGCC = yes
-
 CONFIG_ARCH_DEVICE_TREE := tegra20

arch/arm/cpu/tegra20-common/Makefile

@@ -27,8 +27,6 @@ include $(TOPDIR)/config.mk
 
 # The AVP is ARMv4T architecture so we must use special compiler
 # flags for any startup files it might use.
-CFLAGS_arch/arm/cpu/tegra20-common/ap20.o += -march=armv4t
-CFLAGS_arch/arm/cpu/tegra20-common/clock.o += -march=armv4t
 CFLAGS_arch/arm/cpu/tegra20-common/warmboot_avp.o += -march=armv4t
 
 LIB	= $(obj)lib$(SOC)-common.o