qcacmn: Use only shadow writes for REO remap and WBM HP reg

REO remap register direct writes as part of SAP stop could
result in a NOC error if the UMAC is in low power state.

Fix is to use shadow register writes for REO remap and
WBM HP registers.

Change-Id: Ie515c3d28f4ccdd99a3757808f1ab6c5cf373e3d
CRs-Fixed: 2813105

dp/wifi3.0/dp_ipa.h

@@ -26,7 +26,7 @@
 
 /* Adding delay before disabling ipa pipes if any Tx Completions are pending */
 #define TX_COMP_DRAIN_WAIT_MS	50
-#define TX_COMP_DRAIN_WAIT_TIMEOUT_MS	200
+#define TX_COMP_DRAIN_WAIT_TIMEOUT_MS	100
 
 /**
  * struct dp_ipa_uc_tx_hdr - full tx header registered to IPA hardware