webos-ports-emulator: change emulator disk from IDE to SATA

The Yocto_Build_Appliance.vmx has change disk type from IDE to SaTA
since commit be5b17b7f, which will make webos-ports-emulator can't boot
into the rootfs.

Signed-off-by: Yen-Chin Lee <coldnew.tw@gmail.com>