dt-bindings: mfd: Fix typo "DA9093" -> "DA9063"

The device described is the "DA9063", not "DA9093", so fix this typo.

Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211216164037.2888316-1-alexandre.ghiti@canonical.com