Add Japanese 5.4-RELEASE hardware notes:
(new) -> 1.1 releases/5.4R/hardware-alpha.html
(new) -> 1.1 releases/5.4R/hardware-amd64.html
(new) -> 1.1 releases/5.4R/hardware-i386.html
(new) -> 1.1 releases/5.4R/hardware-ia64.html
(new) -> 1.1 releases/5.4R/hardware-pc98.html
(new) -> 1.1 releases/5.4R/hardware-sparc64.html