Adding Power11 to the Supported Architectures of OCP 4.19

Author: alishaIBM

modules/minimum-ibm-power-system-requirements.adoc

@@ -9,7 +9,7 @@
 
 You can install {product-title} version {product-version} on the following {ibm-name} hardware:
 
-* {ibm-power-name}9 or {ibm-power-name}10 processor-based systems
+* {ibm-power-name}9, {ibm-power-name}10 or {ibm-power-name}11 processor-based systems
 
 [discrete]
 == Hardware requirements