Adjustment to ingress pool size to accomodate brcm sai (#10694)

Author: vmittal-msft

device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/buffers_defaults_t0.j2

@@ -11,7 +11,7 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
-            "size": "32669440",
+            "size": "32689152",
             "type": "ingress",
             "mode": "dynamic",
             "xoff": "2058240"