nvmem: sc27xx: add sc2730 efuse support

Add support to the new efuse IP which is integrated in the SC2730
which includes multiple blocks in a single chip.

Signed-off-by: Freeman Liu <freeman.liu@unisoc.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200722100705.7772-5-srinivas.kandagatla@linaro.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>