spi: stm32-qspi: defer probe for reset controller

Changes stm32 QSPI driver to defer its probe operation when a reset
controller device have not yet probed but is registered in the
system.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Link: https://lore.kernel.org/r/20200203135048.1299-2-patrice.chotard@st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Etienne Carriere 2020-02-03 14:50:47 +01:00 • committed by Mark Brown
commit 8196f7bcc2
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