CLK: TI: interface: add support for omap2430 specific interface clock

OMAP2430 I2CHS modules require specific hardware ops to be used, so added
a new compatible string for this.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
SQUASH: CLK: TI: OMAP24xx: removed virt_prcm_set clock alias

Not needed as this node is not initialized through DT.

Signed-off-by: Tero Kristo <t-kristo@ti.com>