Revert "aarch64: remove duplicate dtb in kernel rpm"

This reverts commit e7eafab.
The aarch64 build breaks with this change so it seems the duplicate
is necessary for some reason.

Signed-off-by: Jack Vogel <[email protected]>

Author: jfvogel

uek-rpm/ol7/kernel-uek.spec

@@ -1214,6 +1214,7 @@ BuildKernel() {
    mkdir -p $RPM_BUILD_ROOT/%{image_install_path}
    mkdir -p $RPM_BUILD_ROOT/lib/modules/$KernelVer
    make -s ARCH=$Arch V=1 dtbs dtbs_install INSTALL_DTBS_PATH=$RPM_BUILD_ROOT/%{image_install_path}/dtb-$KernelVer
+   cp -r $RPM_BUILD_ROOT/%{image_install_path}/dtb-$KernelVer $RPM_BUILD_ROOT/lib/modules/$KernelVer/dtb
    find arch/$Arch/boot/dts -name '*.dtb' -type f | xargs rm -f
 %endif