arm: lds: Remove libgcc eabi exception handling tables

Remove ARM eabi exception handling tables (for frame unwinding).
AFAICT, u-boot stubs away the frame unwiding routines, so the tables will
more or less just consume space. It should be OK to remove them.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/cpu/u-boot.lds b/arch/arm/cpu/u-boot.lds
index 490aed2..23bf030 100644
--- a/arch/arm/cpu/u-boot.lds
+++ b/arch/arm/cpu/u-boot.lds
@@ -97,4 +97,6 @@
 	/DISCARD/ : { *(.plt*) }
 	/DISCARD/ : { *(.interp*) }
 	/DISCARD/ : { *(.gnu*) }
+	/DISCARD/ : { *(.ARM.exidx*) }
+	/DISCARD/ : { *(.gnu.linkonce.armexidx.*) }
 }