OvmfPkg/Bhyve/AcpiPlatformDxe: fix file path typo in comment
    
    The built-in ACPI tables for Bhyve are located in the
    "OvmfPkg/Bhyve/AcpiTables" module, not in the "OvmfPkg/AcpiTables" module.
    Correct the typo in a code comment.
    
    Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
    Cc: Jordan Justen <jordan.l.justen@intel.com>
    Cc: Peter Grehan <grehan@freebsd.org>
    Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
    Cc: Rebecca Cran <rebecca@bsdio.com>
    Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2122
    Signed-off-by: Laszlo Ersek <lersek@redhat.com>