[U-Boot] [PATCH v3] Let source cross-reference targets follow symbolic links

From: Horst Kronstorfer Tell 'find' to follow symbolic links, so that files under include/asm and arch/$(ARCH)/include/asm/arch are added to the indexing file list. Signed-off-by: Horst Kronstorfer --- Changes for v2: - Apply this change to all source cross-reference targets Changes for v3:

[U-Boot] [PATCH v2] Let source cross-reference targets follow symbolic links

From: Horst Kronstorfer Without telling 'find' to follow symbolic links, files under include/asm and arch/$(ARCH)/include/asm/arch are not added to the indexing file list. Signed-off-by: Horst Kronstorfer Changes for v2: - Apply this change to all source cross-reference targets --- Makefi