[top] Fix typos and indentation

Signed-off-by: Pirmin Vogel <vogelpi@lowrisc.org>
diff --git a/hw/top_earlgrey/data/top_earlgrey.hjson b/hw/top_earlgrey/data/top_earlgrey.hjson
index 3d784b5..6c9df7a 100644
--- a/hw/top_earlgrey/data/top_earlgrey.hjson
+++ b/hw/top_earlgrey/data/top_earlgrey.hjson
@@ -1381,7 +1381,7 @@
         ],
 
         add_pads: [
-          // Additional infrastucture pads
+          // Additional infrastructure pads
           { name: 'IO_CLK',           type: 'InputStd', bank: 'VCC', connection: 'manual', desc: 'Extra clock input for FPGA target'}
           { name: 'IO_JSRST_N',       type: 'InputStd', bank: 'VCC', connection: 'manual', desc: 'Dedicated JTAG system reset input'}
           // Custom USB pads
@@ -1399,7 +1399,7 @@
         ],
       },
 
-pinmux: {
+      pinmux: {
         special_signals: [
           // Straps
           { name: 'tap0',   pad: 'IOC0' ,        desc: 'TAP strap signal, maps to a stubbed-off MIO.'  },
@@ -1431,7 +1431,7 @@
         ],
 
         add_pads: [
-          // Additional infrastucture pads
+          // Additional infrastructure pads
           { name: 'IO_CLK',           type: 'InputStd', bank: 'VCC', connection: 'manual', desc: 'Extra clock input for FPGA target'}
           { name: 'IO_JSRST_N',       type: 'InputStd', bank: 'VCC', connection: 'manual', desc: 'Dedicated JTAG system reset input'}
           // Custom USB pads
@@ -1449,7 +1449,7 @@
         ],
       },
 
-pinmux: {
+      pinmux: {
         special_signals: [
           // Straps
           { name: 'tap0',   pad: 'IOC0' ,        desc: 'TAP strap signal, maps to a stubbed-off MIO.'  },