Added row spanning to properly format data

Infomation was displayed in incorrect columns because the source tables used row spans

modules/system-administrators-guide/pages/kernel-module-driver-configuration/Working_with_Kernel_Modules.adoc

@@ -429,13 +429,21 @@ During boot, the kernel loads X.509 keys into the system key ring or the system
 |===
 |Source of X.509 Keys|User Ability to Add Keys|UEFI Secure Boot State|Keys Loaded During Boot
 |Embedded in kernel|No|-|`.system_keyring`
-|UEFI Secure Boot "db"|Limited|Not enabled|No
+.2+|UEFI Secure Boot "db"
+.2+|Limited
+|Not enabled|No
 |Enabled|`.system_keyring`
-|UEFI Secure Boot "dbx"|Limited|Not enabled|No
+.2+|UEFI Secure Boot "dbx"
+.2+|Limited
+|Not enabled|No
 |Enabled|`.system_keyring`
-|Embedded in `shim.efi` boot loader|No|Not enabled|No
+.2+|Embedded in `shim.efi` boot loader
+.2+|No
+|Not enabled|No
 |Enabled|`.system_keyring`
-|Machine Owner Key (MOK) list|Yes|Not enabled|No
+.2+|Machine Owner Key (MOK) list
+.2+|Yes
+|Not enabled|No
 |Enabled|`.system_keyring`
 |===
 
@@ -486,13 +494,19 @@ If UEFI Secure Boot is enabled or if the [option]`module.sig_enforce` kernel par
 [options="header"]
 |===
 |Module Signed|Public Key Found and Signature Valid|UEFI Secure Boot State|module.sig_enforce|Module Load|Kernel Tainted
-|Unsigned|-|Not enabled|Not enabled|Succeeds|Yes
+.3+|Unsigned
+.3+|-
+|Not enabled|Not enabled|Succeeds|Yes
 |Not enabled|Enabled|Fails|
 |Enabled|-|Fails|-
-|Signed|No|Not enabled|Not enabled|Succeeds|Yes
+.3+|Signed
+.3+|No
+|Not enabled|Not enabled|Succeeds|Yes
 |Not enabled|Enabled|Fails|-
 |Enabled|-|Fails|-
-|Signed|Yes|Not enabled|Not enabled|Succeeds|No
+.3+|Signed
+.3+|Yes
+|Not enabled|Not enabled|Succeeds|No
 |Not enabled|Enabled|Succeeds|No
 |Enabled|-|Succeeds|No
 |===