target-sh4: r2d --append option support Remove qemu_ram_alloc(SDRAM_BASE) and related changes. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6919 c046a42c-6fe2-441c-8c8c-71466251a162