arm: rockchip: make_fit_atf: remove unneeded imports

These imports are entirely unused in the entire script.

Signed-off-by: Patrick Uiterwijk <patrick@puiterwijk.org>
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/arch/arm/mach-rockchip/make_fit_atf.py b/arch/arm/mach-rockchip/make_fit_atf.py
index 7c6dd57..9a404d1 100755
--- a/arch/arm/mach-rockchip/make_fit_atf.py
+++ b/arch/arm/mach-rockchip/make_fit_atf.py
@@ -13,8 +13,6 @@
 
 # pip install pyelftools
 from elftools.elf.elffile import ELFFile
-from elftools.elf.sections import SymbolTableSection
-from elftools.elf.segments import Segment, InterpSegment, NoteSegment
 
 ELF_SEG_P_TYPE='p_type'
 ELF_SEG_P_PADDR='p_paddr'