spi: Fix typo in devicetree/bindings/spi

This patch fix spelling typos found in
Documentation/devicetree/bingings/spi.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/Documentation/devicetree/bindings/spi/spi-davinci.txt b/Documentation/devicetree/bindings/spi/spi-davinci.txt
index d1e914a..f5916c9 100644
--- a/Documentation/devicetree/bindings/spi/spi-davinci.txt
+++ b/Documentation/devicetree/bindings/spi/spi-davinci.txt
@@ -21,7 +21,7 @@
 	IP to the interrupt controller within the SoC. Possible values
 	are 0 and 1. Manual says one of the two possible interrupt
 	lines can be tied to the interrupt controller. Set this
-	based on a specifc SoC configuration.
+	based on a specific SoC configuration.
 - interrupts: interrupt number mapped to CPU.
 - clocks: spi clk phandle