Update BiosConfig README.md file

The current bios config is out of date and inconsistent with
bios-settings-mgr repository.

Changes are made to reflect the current D-Bus methods, signals and
properties in bios-settings-mgr.

Following are the D-Bus information of bios-settings-mgr:

busctl tree xyz.openbmc_project.BIOSConfigManager
`-/xyz
  `-/xyz/openbmc_project
    `-/xyz/openbmc_project/bios_config
      |-/xyz/openbmc_project/bios_config/manager
      `-/xyz/openbmc_project/bios_config/password

busctl introspect xyz.openbmc_project.BIOSConfigManager /xyz/openbmc_project/bios_config/manager
NAME                                   TYPE      SIGNATURE           RESULT/VALUE                             FLAGS
org.freedesktop.DBus.Introspectable    interface -                   -                                        -
.Introspect                            method    -                   s                                        -
org.freedesktop.DBus.Peer              interface -                   -                                        -
.GetMachineId                          method    -                   s                                        -
.Ping                                  method    -                   -                                        -
org.freedesktop.DBus.Properties        interface -                   -                                        -
.Get                                   method    ss                  v                                        -
.GetAll                                method    s                   a{sv}                                    -
.Set                                   method    ssv                 -                                        -
.PropertiesChanged                     signal    sa{sv}as            -                                        -
xyz.openbmc_project.BIOSConfig.Manager interface -                   -                                        -
.GetAttribute                          method    s                   svv                                      -
.SetAttribute                          method    sv                  -                                        -
.BaseBIOSTable                         property  a{s(sbsssvva(svs))} 0                                        emits-change writable
.PendingAttributes                     property  a{s(sv)}            0                                        emits-change writable
.ResetBIOSSettings                     property  s                   "xyz.openbmc_project.BIOSConfig.Manag... emits-change writable

busctl introspect xyz.openbmc_project.BIOSConfigManager /xyz/openbmc_project/bios_config/password
NAME                                    TYPE      SIGNATURE RESULT/VALUE FLAGS
org.freedesktop.DBus.Introspectable     interface -         -            -
.Introspect                             method    -         s            -
org.freedesktop.DBus.Peer               interface -         -            -
.GetMachineId                           method    -         s            -
.Ping                                   method    -         -            -
org.freedesktop.DBus.Properties         interface -         -            -
.Get                                    method    ss        v            -
.GetAll                                 method    s         a{sv}        -
.Set                                    method    ssv       -            -
.PropertiesChanged                      signal    sa{sv}as  -            -
xyz.openbmc_project.BIOSConfig.Password interface -         -            -
.ChangePassword                         method    sss       -            -
.PasswordInitialized                    property  b         false        emits-change writable

Change-Id: I59bc60e0d31658906aa724b54652cd0b0c74e9d2
Signed-off-by: Smriti-Ayushi <smriti.ayushi@linux.intel.com>
diff --git a/yaml/xyz/openbmc_project/BIOSConfig/README.md b/yaml/xyz/openbmc_project/BIOSConfig/README.md
index 8d42311..5e00e0a 100644
--- a/yaml/xyz/openbmc_project/BIOSConfig/README.md
+++ b/yaml/xyz/openbmc_project/BIOSConfig/README.md
@@ -15,35 +15,30 @@
 
 ### Interface xyz.openbmc_project.BIOSConfigManager
 
-- Object Path: `/xyz/openbmc_project/bios_config/manager0`
+- Object Path: `/xyz/openbmc_project/bios_config/manager`
 
 Methods:
 
 - `SetAttribute` -To set the particular BIOS attribute with new value.
 - `GetAttribute` -To get the bios attribute current and pending values.
-- `GetPendingAttributes` -To get all pending bios Atrributes list.
-- `SetPendingAttributes` -To set all pending bios Atrributes list.
 
 Properites:
 
 - `ResetBIOSSettings` - To reset the BIOS settings based on the Reset Flag.
-- `AllBaseAttributes` - To store all bios attributes details.
-
-Signals:
-
-- `PendingAttributesCreated` - Signal sent out, when Pending attributes list
-  created.
+- `BaseBiosTable` - To store all bios attributes details.
+- `PendingAttributes` - To store pending bios Atrributes list.
 
 ### Interface xyz.openbmc_project.BIOSConfig.Password
 
+- Object Path: `/xyz/openbmc_project/bios_config/password`
+
 Methods:
 
-- `VerifyPassword`
-- `ChangePassword`
+- `ChangePassword` - To change BIOS setup password.
 
 Properities:
 
-- `IsPasswordInitDone` - To indicate BIOS password related details are received
+- `PasswordInitialized` - To indicate BIOS password related details are received
   or not.
 
 [design]: