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With commit0535e46d55("scripts/dtc: Update to upstream version v1.7.2-35-g52f07dcca47c") it is now a fatal error to U-Boot if our device tree is not 8-byte aligned. In commit85f586035d("ARM: OMAP2+: Pad SPL binary to 8-byte alignment before DTB") Beleswar Padhi explains that we must have ALIGN(x) statements inside of a section to ensure that padding is included and not simply that the linker address counter is incremented. To that end, this patch: - Remove part of what Marek Vasut did in commit9ed99e2eea("m68k: Assure end of U-Boot is at 8-byte aligned offset") as we now better understand what can trigger failure and check for it. - Rewrite the '.dynsym' section to follow modern practices, and include the 8-byte alignment at the end of the section. - Ensure that we do have alignment by adding an ASSERT so that when not aligned we fail to link (and explain why). Signed-off-by: Tom Rini <trini@konsulko.com>