doc: fix ':option:XYZ' to ':option:CONFIG_XYZ', removing warning

Change-Id: Id6195717b82204be3336d18f8e4f0b1501853306
Signed-off-by: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
This commit is contained in:
Inaky Perez-Gonzalez 2016-06-14 13:57:47 -07:00 committed by Anas Nashif
commit 54f143b8e8

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@ -55,7 +55,7 @@ Refer to the :ref:`frdm_k64f`.
.. note::
Unlike the frdm_k64f board configuration, the qemu_cortex_m3
board configuration sets option :option:`NUM_IRQ_PRIO_BITS` to '3'.
board configuration sets option :option:`CONFIG_NUM_IRQ_PRIO_BITS` to '3'.
System Clock
============