docs: correct openSUSE package names verified against rpmfind

- Replace Mesa-libEGL-devel and Mesa-libGLES-devel (do not exist on
  openSUSE) with libglvnd-devel (Khronos EGL/GLES dispatch headers)
- Replace libseat-devel (does not exist on openSUSE) with seatd-devel

Package names confirmed via rpmfind.net against Tumbleweed and Leap
repositories.

README.md

@@ -47,8 +47,8 @@ Linux system packages required (openSUSE):
 
 ```sh
 sudo zypper install -y \
-  libwayland-devel libxkbcommon-devel Mesa-libEGL-devel Mesa-libGLES-devel \
-  libgbm-devel libdrm-devel libinput-devel libseat-devel libudev-devel \
+  libwayland-devel libxkbcommon-devel libglvnd-devel \
+  libgbm-devel libdrm-devel libinput-devel seatd-devel libudev-devel \
   systemd-devel pkg-config clang cmake python3
 ```
 

crates/weft-servo-shell/SERVO_PIN.md

@@ -52,14 +52,14 @@ The first build downloads and compiles Servo and its dependencies, which takes
 
 The following system packages are required when `servo-embed` is enabled:
 
-- `Mesa-libGLES-devel`
+- `libglvnd-devel`
 - `libopenssl-devel`
 - `dbus-1-devel`
 - `libudev-devel`
 - `libxkbcommon-devel`
 - `libwayland-devel`
 
-Install with: `sudo zypper install -y Mesa-libGLES-devel libopenssl-devel dbus-1-devel libudev-devel libxkbcommon-devel libwayland-devel`
+Install with: `sudo zypper install -y libglvnd-devel libopenssl-devel dbus-1-devel libudev-devel libxkbcommon-devel libwayland-devel`
 
 ## Rendering approach
 

docs/building.md

@@ -9,8 +9,8 @@ System packages (openSUSE):
 ```sh
 sudo zypper install -y \
   libwayland-devel libxkbcommon-devel \
-  Mesa-libEGL-devel Mesa-libGLES-devel libgbm-devel libdrm-devel \
-  libinput-devel libseat-devel libudev-devel systemd-devel \
+  libglvnd-devel libgbm-devel libdrm-devel \
+  libinput-devel seatd-devel libudev-devel systemd-devel \
   pkg-config clang cmake python3
 ```