arm: add __ilog2 function
Add __ilog2 function for ARM. Needed for ahci.c
Signed-off-by:
Rob Herring <rob.herring@calxeda.com>
Cc: Albert ARIBAUD <albert.aribaud@free.fr>
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Add __ilog2 function for ARM. Needed for ahci.c
Signed-off-by:
Rob Herring <rob.herring@calxeda.com>
Cc: Albert ARIBAUD <albert.aribaud@free.fr>