doc: Fix some typos in different files

adresses/addresses
alernate/alternate
asssuming/assuming
calcualted/calculated
enviroment/environment
evalutation/evaluation
falsh/flash
labled/labeled
paramaters/parameters

Signed-off-by: Thomas Weber <thomas@tomweber.eu>
Acked-by: Anatolij Gustschin <agust@denx.de>
diff --git a/doc/README.at91 b/doc/README.at91
index 84b5595..b51df00 100644
--- a/doc/README.at91
+++ b/doc/README.at91
@@ -62,16 +62,16 @@
 	U-Boot environment variables can be stored at different places:
 		- Dataflash on SPI chip select 0 (dataflash card)
 		- Nand flash.
-		- Nor falsh (not populate by default)
+		- Nor flash (not populate by default)
 
 	You can choose your storage location at config step (here for at91sam9260ek) :
 		make at91sam9263ek_config		- use data flash (spi cs0) (default)
 		make at91sam9263ek_nandflash_config	- use nand flash
 		make at91sam9263ek_dataflash_cs0_config	- use data flash (spi cs0)
-		make at91sam9263ek_norflash_config	- use nor falsh
+		make at91sam9263ek_norflash_config	- use nor flash
 
 	You can choose to boot directly from U-Boot at config step
-		make at91sam9263ek_norflash_boot_config	- boot from nor falsh
+		make at91sam9263ek_norflash_boot_config	- boot from nor flash
 
 
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