Add "ALIGN(4)" to 4-byte align the cpio file in memory.
Add "ALIGN(4)" to 4-byte align the cpio file in memory.

Libcpio currently requires that the cpio archive starts at a 4-byte
aligned address: resolves seL4/libcpio#1.

hendersa/px4-common-tool,seL4/common-tool,hendersa/px4-common-tool,hendersa/px4-common-tool,winksaville/common-tool,winksaville/common-tool,winksaville/common-tool,seL4/common-tool,seL4/common-tool