std/os/uefi: fix packed struct bitfields

lib/std/os/uefi/protocols/absolute_pointer_protocol.zig

@@ -45,7 +45,9 @@ pub const AbsolutePointerMode = extern struct {
     attributes: packed struct {
         supports_alt_active: bool,
         supports_pressure_as_z: bool,
-        _pad1: u30,
+        _pad1: u6,
+        _pad2: u8,
+        _pad3: u16,
     },
 };
 
@@ -56,6 +58,8 @@ pub const AbsolutePointerState = extern struct {
     active_buttons: packed struct {
         touch_active: bool,
         alt_active: bool,
-        _pad1: u30,
+        _pad1: u6,
+        _pad2: u8,
+        _pad3: u16,
     },
 };

lib/std/os/uefi/protocols/edid_override_protocol.zig

@@ -31,5 +31,7 @@ pub const EdidOverrideProtocol = extern struct {
 pub const EdidOverrideProtocolAttributes = packed struct {
     dont_override: bool,
     enable_hot_plug: bool,
-    _pad1: u30,
+    _pad1: u6,
+    _pad2: u8,
+    _pad3: u16,
 };

lib/std/os/uefi/protocols/simple_network_protocol.zig

@@ -131,7 +131,9 @@ pub const SimpleNetworkReceiveFilter = packed struct {
     receive_broadcast: bool,
     receive_promiscuous: bool,
     receive_promiscuous_multicast: bool,
-    _pad: u27 = undefined,
+    _pad1: u3 = undefined,
+    _pad2: u8 = undefined,
+    _pad3: u16 = undefined,
 };
 
 pub const SimpleNetworkState = enum(u32) {
@@ -174,5 +176,7 @@ pub const SimpleNetworkInterruptStatus = packed struct {
     transmit_interrupt: bool,
     command_interrupt: bool,
     software_interrupt: bool,
-    _pad: u28,
+    _pad1: u4,
+    _pad2: u8,
+    _pad3: u16,
 };

lib/std/os/uefi/tables/boot_services.zig

@@ -192,7 +192,8 @@ pub const MemoryDescriptor = extern struct {
         wt: bool,
         wb: bool,
         uce: bool,
-        _pad1: u7,
+        _pad1: u3,
+        _pad2: u4,
         wp: bool,
         rp: bool,
         xp: bool,
@@ -201,7 +202,9 @@ pub const MemoryDescriptor = extern struct {
         ro: bool,
         sp: bool,
         cpu_crypto: bool,
-        _pad2: u43,
+        _pad3: u4,
+        _pad4: u32,
+        _pad5: u7,
         memory_runtime: bool,
     },
 };
@@ -219,7 +222,9 @@ pub const OpenProtocolAttributes = packed struct {
     by_child_controller: bool = false,
     by_driver: bool = false,
     exclusive: bool = false,
-    _pad: u26 = undefined,
+    _pad1: u2 = undefined,
+    _pad2: u8 = undefined,
+    _pad3: u16 = undefined,
 };
 
 pub const ProtocolInformationEntry = extern struct {