Fix spelling of "transferred".

Signed-off-by: Vagrant Cascadian <vagrant@debian.org>
Acked-by: Marek Vasut <marex@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/doc/README.POST b/doc/README.POST
index 6815d49..a9335f4 100644
--- a/doc/README.POST
+++ b/doc/README.POST
@@ -494,7 +494,7 @@
      This group will contain: b, bl, bc.
 
      The first 2 instructions (b, bl) will be verified by jumping to
-     a fixed address and checking whether control was transfered to
+     a fixed address and checking whether control was transferred to
      that very point. For the bl instruction the value of the link
      register will be checked as well (using mfspr). To verify the bc
      instruction various combinations of the BI/BO fields, the CTR
diff --git a/doc/device-tree-bindings/spi/spi-bus.txt b/doc/device-tree-bindings/spi/spi-bus.txt
index 5c8720a..420ec95 100644
--- a/doc/device-tree-bindings/spi/spi-bus.txt
+++ b/doc/device-tree-bindings/spi/spi-bus.txt
@@ -63,7 +63,7 @@
 		      a header byte before reading data from the slave.
 
 Some SPI controllers and devices support Dual and Quad SPI transfer mode.
-It allows data in SPI system transfered in 2 wires(DUAL) or 4 wires(QUAD).
+It allows data in SPI system transferred in 2 wires(DUAL) or 4 wires(QUAD).
 Now the value that spi-tx-bus-width and spi-rx-bus-width can receive is
 only 1(SINGLE), 2(DUAL) and 4(QUAD).
 Dual/Quad mode is not allowed when 3-wire mode is used.
diff --git a/doc/kwboot.1 b/doc/kwboot.1
index 25fe69a..1e9ca26 100644
--- a/doc/kwboot.1
+++ b/doc/kwboot.1
@@ -20,7 +20,7 @@
 Following power-up or a system reset, system BootROM code polls the
 UART for a brief period of time, sensing a handshake message which
 initiates an image upload. This program sends this boot message until
-it receives a positive acknowledgement. The image is transfered using
+it receives a positive acknowledgement. The image is transferred using
 Xmodem.
 
 Additionally, this program implements a minimal terminal mode, which