Add missing break statement in the function omap3xxx_check_revision.
The commit id 
4390f5b2cb1f56 [ARM: OMAP: TI814X: Add cpu type macros
and detection support], removed the 'break' statement from the function
omap3xxx_check_revision(), resulting into wrong omap/cpu_revision
initialization for AM335x devices.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
[tony@atomide.com: refreshed to apply after changes to cpu_rev]
Signed-off-by: Tony Lindgren <tony@atomide.com>
        case 0xb944:
                omap_revision = AM335X_REV_ES1_0;
                *cpu_rev = "1.0";
+               break;
        case 0xb8f2:
                switch (rev) {
                case 0: