Fix spelling mistakes using codespell

This commit corrects various spelling mistakes throughout the
repository. The corrections were made automatically using `codespell`[1]
tool.

[1]: https://github.com/codespell-project/codespell

Change-Id: I90ab45c236c5f818cf0b9257daed59421aa44143
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
diff --git a/README.md b/README.md
index d199837..4325eed 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@
 GetAttribute -To get the bios attribute current values and pending values if
 again.
 
-Properites: ResetBIOSSettings - Contain reset BIOS setting type: Interface have
+Properties: ResetBIOSSettings - Contain reset BIOS setting type: Interface have
 to set NoAction this property, when Reset BIOS settings are informed to the
 BIOS. BaseBIOSTable - Save the whole BIOS table.
 map{attributeName,struct{attributeType,readonlyStatus,displayname,
@@ -39,11 +39,11 @@
 PasswordInterface:
 
 xyz.openbmc_project.BIOSConfig.Password provides following Methods and
-Properities.
+Properties.
 
 xyz.openbmc_project.BIOSConfig.Password Interface
 
 Methods: ChangePassword - Change the BIOS setup password.
 
-Properities: PasswordInitialized - To indicate BIOS password related details are
+Properties: PasswordInitialized - To indicate BIOS password related details are
 received or not.