Blackfin: drop .eh_frame from linker script

Nothing in U-Boot uses runtime C++ exceptions/unwinding, so there is no
need to list this section.
Signed-off-by: NMike Frysinger <vapier@gentoo.org>

lib_blackfin/u-boot.lds.S

@@ -95,7 +95,6 @@ SECTIONS
 	{
 		. = ALIGN(4);
 		*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
-		*(.eh_frame)
 		. = ALIGN(4);
 	} >ram_data