Fixing toggle rate of DMA and BRAM block to have the interval of 0.5 (#283)

Author: shivaahir158

src/components/ModalWindows/BramModal.js

@@ -70,6 +70,7 @@ function BramModal({
               fieldType: FieldType.float,
               id: 'port_a_toggle_rate',
               text: 'Toggle Rate',
+              step: '0.5',
               value: defaultValue.port_a_toggle_rate,
             },
           ],
@@ -107,6 +108,7 @@ function BramModal({
               fieldType: FieldType.float,
               id: 'port_b_toggle_rate',
               text: 'Toggle Rate',
+              step: '0.5',
               value: defaultValue.port_b_toggle_rate,
             },
           ],

src/components/ModalWindows/DMAModal.js

@@ -51,6 +51,7 @@ function DMAModal({
           fieldType: FieldType.float,
           id: 'toggle_rate',
           text: 'Toggle Rate',
+          step: '0.5',
           value: defaultValue.toggle_rate,
         },
       ]}