Add IVA1 hwmod data for OMAP2420 and IVA2 hwmod data for 2430.  The data
is based on Benoît Cousson's hwmod data for the OMAP3 IVA blocks.
Signed-off-by: NPaul Walmsley <paul@pwsan.com>
Cc: Benoît Cousson <b-cousson@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>