arm64: dts: meson: axg: fix audio fifo reg size

arm64: dts: meson: axg: fix audio fifo reg size

BugLink: https://bugs.launchpad.net/bugs/1862429
commit 301b94d434ac3a3cd576a4bc1053cc243d6bd841 upstream.

The register region size initially is too small to access all
the fifo registers.

Fixes: f2b8f6a93357 ("arm64: dts: meson-axg: add audio fifos")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>