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.p2020rdb b/doc/README.p2020rdb
index 8a2302f..cb664a5 100644
--- a/doc/README.p2020rdb
+++ b/doc/README.p2020rdb
@@ -17,7 +17,7 @@
 
 Memory Map
 ----------
-0xef00_0000 - 0xef7f_ffff	Alernate bank		8MB
+0xef00_0000 - 0xef7f_ffff	Alternate bank		8MB
 0xe800_0000 - 0xefff_ffff	Boot bank		8MB
 
 0xef78_0000 - 0xef7f_ffff	Alternate u-boot address	512KB
@@ -89,7 +89,7 @@
 		"Prompt for advanced kernel configuration options"
 		- Select
 			"Set physical address where the kernel is loaded"
-			and set it to 0x20000000, asssuming core1 will
+			and set it to 0x20000000, assuming core1 will
 			start from 512MB.
 		- Select "Set custom page offset address"
 		- Select "Set custom kernel base address"