qcacmn: Fix and Clean up code under NAPI_YIELD_BUDGET_BASED

Enable interrupts after processing the available
rx buffers on CE5 or complete napi after reaching the budget.

NAPI_YIELD_BUDGET_BASED:
This flag enables napi to return once the budget is exceeded,
or after processing the available packets and re-enables
interrupt and this feature doesn't honor the napi
yeild time configured.Napi budget will be configured as
256 for this feature

Change-Id: I75ac75ede46124bc773e3625173f33ca29da8142
CRs-fixed: 1094034

hif/inc/hif.h

@@ -157,6 +157,7 @@ struct CE_state;
 #endif
 #endif
 
+#ifndef NAPI_YIELD_BUDGET_BASED
 #ifdef HIF_CONFIG_SLUB_DEBUG_ON
 #define QCA_NAPI_BUDGET    64
 #define QCA_NAPI_DEF_SCALE  2
@@ -164,6 +165,11 @@ struct CE_state;
 #define QCA_NAPI_BUDGET    64
 #define QCA_NAPI_DEF_SCALE 16
 #endif /* SLUB_DEBUG_ON */
+#else /* NAPI_YIELD_BUDGET_BASED */
+#define QCA_NAPI_BUDGET    64
+#define QCA_NAPI_DEF_SCALE 4
+#endif
+
 #define HIF_NAPI_MAX_RECEIVES (QCA_NAPI_BUDGET * QCA_NAPI_DEF_SCALE)
 
 /* NOTE: "napi->scale" can be changed,